chore: bump version to 1.5.3

* add clean unused ble instances
* moved subscribe to notify to another method
* set date/time on BLE sensors

gulpfile.js

@@ -34,6 +34,10 @@ let paths = {
     {
       src: 'src_data/locales/*.json',
       dest: 'data/static/locales/'
+    },
+    {
+      src: 'src_data/*.json',
+      dest: 'data/static/'
     }
   ],
   static: [

lib/NetworkUtils/NetworkMgr.h

@@ -148,10 +148,10 @@ namespace NetworkUtils {
       // set policy manual for work 13 ch
       {
         #ifdef ARDUINO_ARCH_ESP8266
-        wifi_country_t country = {"CN", 1, 13, WIFI_COUNTRY_POLICY_AUTO};
+        wifi_country_t country = {"JP", 1, 14, WIFI_COUNTRY_POLICY_MANUAL};
         wifi_set_country(&country);
         #elif defined(ARDUINO_ARCH_ESP32)
-        const wifi_country_t country = {"CN", 1, 13, CONFIG_ESP32_PHY_MAX_WIFI_TX_POWER, WIFI_COUNTRY_POLICY_AUTO};
+        const wifi_country_t country = {"JP", 1, 14, CONFIG_ESP32_PHY_MAX_WIFI_TX_POWER, WIFI_COUNTRY_POLICY_MANUAL};
         esp_wifi_set_country(&country);
         #endif
       }
@@ -384,7 +384,7 @@ namespace NetworkUtils {
   protected:
     const unsigned int reconnectInterval = 15000;
     const unsigned int failedConnectTimeout = 185000;
-    const unsigned int connectionTimeout = 5000;
+    const unsigned int connectionTimeout = 10000;
     const unsigned int resetConnectionTimeout = 90000;
 
     YieldCallback yieldCallback = []() {

platformio.ini

@@ -14,7 +14,7 @@ extra_configs = secrets.default.ini
 core_dir = .pio
 
 [env]
-version = 1.5.2
+version = 1.5.3
 framework = arduino
 lib_deps = 
 	bblanchon/ArduinoJson@^7.3.0
@@ -210,6 +210,7 @@ build_flags =
 	${esp32_defaults.build_flags}
 	-D ARDUINO_USB_MODE=0
 	-D ARDUINO_USB_CDC_ON_BOOT=1
+	-D CONFIG_BT_NIMBLE_EXT_ADV=1
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=35
 	-D DEFAULT_OT_OUT_GPIO=36
@@ -233,6 +234,7 @@ build_unflags =
 build_type = ${esp32_defaults.build_type}
 build_flags = 
 	${esp32_defaults.build_flags}
+	-D CONFIG_BT_NIMBLE_EXT_ADV=1
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=8
 	-D DEFAULT_OT_OUT_GPIO=10
@@ -316,6 +318,7 @@ build_unflags =
 build_type = ${esp32_defaults.build_type}
 build_flags = 
 	${esp32_defaults.build_flags}
+	-D CONFIG_BT_NIMBLE_EXT_ADV=1
 	-D USE_BLE=1
 	-D DEFAULT_OT_IN_GPIO=3
 	-D DEFAULT_OT_OUT_GPIO=1

src/MainTask.h

@@ -38,6 +38,7 @@ protected:
   unsigned long heatingDisabledTime = 0;
   PumpStartReason extPumpStartReason = PumpStartReason::NONE;
   unsigned long externalPumpStartTime = 0;
+  bool ntpStarted = false;
   bool telnetStarted = false;
   bool emergencyDetected = false;
   unsigned long emergencyFlipTime = 0;
@@ -109,6 +110,16 @@ protected:
     }
 
     if (network->isConnected()) {
+      if (!this->ntpStarted) {
+        if (strlen(settings.system.ntp.server)) {
+          configTime(0, 0, settings.system.ntp.server);
+          setenv("TZ", settings.system.ntp.timezone, 1);
+          tzset();
+
+          this->ntpStarted = true;
+        }
+      }
+
       if (!this->telnetStarted && telnetStream != nullptr) {
         telnetStream->begin(23, false);
         this->telnetStarted = true;
@@ -124,6 +135,10 @@ protected:
       Sensors::setConnectionStatusByType(Sensors::Type::MANUAL, !settings.mqtt.enabled || vars.mqtt.connected, false);
 
     } else {
+      if (this->ntpStarted) {
+        this->ntpStarted = false;
+      }
+
       if (this->telnetStarted) {
         telnetStream->stop();
         this->telnetStarted = false;

src/MqttTask.h

@@ -120,7 +120,6 @@ protected:
     #endif
 
     // client settings
-    this->client->setKeepAliveInterval(15000);
     this->client->setTxPayloadSize(256);
     #ifdef ARDUINO_ARCH_ESP8266
     this->client->setConnectionTimeout(1000);
@@ -199,6 +198,7 @@ protected:
       this->haHelper->updateCachedTopics();
 
       this->client->stop();
+      this->client->setKeepAliveInterval(settings.mqtt.interval * 10000);
       this->client->setId(networkSettings.hostname);
       this->client->setUsernamePassword(settings.mqtt.user, settings.mqtt.password);
       this->client->beginWill(this->haHelper->getDeviceTopic(F("status")).c_str(), 7, true, 1);

src/OpenThermTask.h

@@ -1062,7 +1062,10 @@ protected:
             );
 
           } else {
-            Log.swarningln(FPSTR(L_OT_HEATING), F("Failed set max heating temp"));
+            Log.swarningln(
+              FPSTR(L_OT_HEATING), F("Failed set max heating temp: %.2f (converted: %.2f)"),
+              vars.master.heating.setpointTemp, convertedTemp
+            );
           }
         }
 

src/RegulatorTask.h

@@ -196,6 +196,7 @@ protected:
       //if (vars.parameters.heatingEnabled) {
       if (settings.heating.enabled && this->indoorSensorsConnected) {
         pidRegulator.Kp = settings.heating.turbo ? 0.0f : settings.pid.p_factor;
+        pidRegulator.Ki = settings.pid.i_factor;
         pidRegulator.Kd = settings.pid.d_factor;
 
         pidRegulator.setLimits(settings.pid.minTemp, settings.pid.maxTemp);
@@ -203,12 +204,22 @@ protected:
         pidRegulator.input = vars.master.heating.indoorTemp;
         pidRegulator.setpoint = settings.heating.target;
 
-        if (fabsf(pidRegulator.Ki - settings.pid.i_factor) >= 0.0001f) {
+        /*if (fabsf(pidRegulator.Ki - settings.pid.i_factor) >= 0.0001f) {
           pidRegulator.Ki = settings.pid.i_factor;
           pidRegulator.integral = 0.0f;
           pidRegulator.getResultNow();
 
           Log.sinfoln(FPSTR(L_REGULATOR_PID), F("Integral sum has been reset"));
+        }*/
+
+        float error = pidRegulator.setpoint - pidRegulator.input;
+        bool hasDeadband = (error > -(settings.pid.deadband.thresholdHigh))
+          && (error < settings.pid.deadband.thresholdLow);
+
+        if (hasDeadband) {
+          pidRegulator.Kp *= settings.pid.deadband.p_multiplier;
+          pidRegulator.Ki *= settings.pid.deadband.i_multiplier;
+          pidRegulator.Kd *= settings.pid.deadband.d_multiplier;
         }
 
         float pidResult = pidRegulator.getResultTimer();

src/SensorsTask.h

@@ -31,12 +31,19 @@ protected:
   const unsigned short dallasSearchInterval = 60000;
   const unsigned short dallasPollingInterval = 10000;
   const unsigned short globalPollingInterval = 15000;
+  #if USE_BLE
+  const unsigned int bleSetDtInterval = 7200000;
+  #endif
 
   std::unordered_map<uint8_t, OneWire> owInstances;
   std::unordered_map<uint8_t, DallasTemperature> dallasInstances;
   std::unordered_map<uint8_t, unsigned long> dallasSearchTime;
   std::unordered_map<uint8_t, bool> dallasPolling;
   std::unordered_map<uint8_t, unsigned long> dallasLastPollingTime;
+  #if USE_BLE
+  std::unordered_map<uint8_t, bool> bleSubscribed;
+  std::unordered_map<uint8_t, unsigned long> bleLastSetDtTime;
+  #endif
   unsigned long globalLastPollingTime = 0;
 
   #if defined(ARDUINO_ARCH_ESP32)
@@ -83,8 +90,11 @@ protected:
       pollingNtcSensors();
       this->yield();
 
+      #if USE_BLE
+      cleanBleInstances();
       pollingBleSensors();
       this->yield();
+      #endif
 
       this->globalLastPollingTime = millis();
     }
@@ -277,7 +287,7 @@ protected:
       unsigned long ts = millis();
 
       if (this->dallasPolling[gpio]) {
-        auto minPollingTime = instance.millisToWaitForConversion(12) * 2;
+        unsigned long minPollingTime = instance.millisToWaitForConversion(12) * 2;
         unsigned long estimatePollingTime = ts - this->dallasLastPollingTime[gpio];
 
         // check conversion time
@@ -348,26 +358,6 @@ protected:
     }
   }
 
-  void pollingBleSensors() {
-    #if USE_BLE
-    if (!NimBLEDevice::isInitialized() && millis() > 5000) {
-      Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Initialized"));
-      BLEDevice::init("");
-      NimBLEDevice::setPower(9);
-    }
-
-    for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
-      auto& sSensor = Sensors::settings[sensorId];
-      
-      if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
-        continue;
-      }
-
-      connectToBleDevice(sensorId);
-    }
-    #endif
-  }
-
   void pollingNtcSensors() {
     for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
       auto& sSensor = Sensors::settings[sensorId];
@@ -413,17 +403,139 @@ protected:
     }
   }
 
-  bool connectToBleDevice(const uint8_t sensorId) {
+  #if USE_BLE
+  void cleanBleInstances() {
     #if USE_BLE
     if (!NimBLEDevice::isInitialized()) {
-      return false;
+      return;
+    }
+
+    for (auto client : NimBLEDevice::getConnectedClients()) {
+      auto address = client->getPeerAddress();
+      bool used = false;
+
+      for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
+        auto& sSensor = Sensors::settings[sensorId];
+        
+        if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
+          continue;
+        }
+        
+        auto pAddress = address.getVal();
+        uint8_t addr[] = {
+          pAddress[5], pAddress[4], pAddress[3],
+          pAddress[2], pAddress[1], pAddress[0]
+        };
+
+        if (isEqualAddress(addr, sSensor.address, sizeof(addr))) {
+          used = true;
+          break;
+        }
+      }
+
+      if (!used) {
+        Log.sinfoln(
+          FPSTR(L_SENSORS_BLE), F("Deleted unused client connected to %s"),
+          address.toString().c_str()
+        );
+
+        NimBLEDevice::deleteClient(client);
+      }
+    }
+    #endif
+  }
+
+  void pollingBleSensors() {
+    if (!NimBLEDevice::isInitialized() && millis() > 5000) {
+      Log.sinfoln(FPSTR(L_SENSORS_BLE), F("Initialized"));
+      BLEDevice::init("");
+      NimBLEDevice::setPower(9);
+    }
+
+    for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
+      auto& sSensor = Sensors::settings[sensorId];
+      auto& rSensor = Sensors::results[sensorId];
+      
+      if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
+        continue;
+      }
+
+      auto client = this->getBleClient(sensorId);
+      if (client == nullptr) {
+        continue;
+      }
+
+      if (!client->isConnected()) {
+        this->bleSubscribed[sensorId] = false;
+        this->bleLastSetDtTime[sensorId] = 0;
+
+        if (client->connect()) {
+          Log.sinfoln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': connected to %s"),
+            sensorId, sSensor.name, client->getPeerAddress().toString().c_str()
+          );
+
+        } else {
+          Log.swarningln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed connecting to %s"),
+            sensorId, sSensor.name, client->getPeerAddress().toString().c_str()
+          );
+
+          continue;
+        }
+      }
+      
+      if (!this->bleSubscribed[sensorId]) {
+        if (this->subscribeToBleDevice(sensorId, client)) {
+          this->bleSubscribed[sensorId] = true;
+
+        } else {
+          this->bleSubscribed[sensorId] = false;
+          client->disconnect();
+          continue;
+        }
+      }
+
+      if (!rSensor.connected) {
+        rSensor.connected = true;
+      }
+
+      if (!this->bleLastSetDtTime[sensorId] || millis() - this->bleLastSetDtTime[sensorId] > this->bleSetDtInterval) {
+        struct tm ti;
+        
+        if (getLocalTime(&ti)) {
+          if (this->setDateOnBleSensor(client, &ti)) {
+            Log.sinfoln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', successfully set date: %02d.%02d.%04d %02d:%02d:%02d"),
+              sensorId, sSensor.name,
+              ti.tm_mday, ti.tm_mon + 1, ti.tm_year + 1900, ti.tm_hour, ti.tm_min, ti.tm_sec
+            );
+
+          } else {
+            Log.swarningln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s', failed set date: %02d.%02d.%04d %02d:%02d:%02d"),
+              sensorId, sSensor.name,
+              ti.tm_mday, ti.tm_mon + 1, ti.tm_year + 1900, ti.tm_hour, ti.tm_min, ti.tm_sec
+            );
+          }
+
+          this->bleLastSetDtTime[sensorId] = millis();
+        }
+        
+      }
+    }
+  }
+
+  NimBLEClient* getBleClient(const uint8_t sensorId) {
+    if (!NimBLEDevice::isInitialized()) {
+      return nullptr;
     }
 
     auto& sSensor = Sensors::settings[sensorId];
     auto& rSensor = Sensors::results[sensorId];
 
     if (!sSensor.enabled || sSensor.type != Sensors::Type::BLUETOOTH || sSensor.purpose == Sensors::Purpose::NOT_CONFIGURED) {
-      return false;
+      return nullptr;
     }
     
     uint8_t addr[6] = {
@@ -432,45 +544,43 @@ protected:
     };
     const auto address = NimBLEAddress(addr, 0);
     
-    NimBLEClient* pClient = nullptr;
-    pClient = NimBLEDevice::getClientByPeerAddress(address);
-
+    NimBLEClient* pClient = NimBLEDevice::getClientByPeerAddress(address);
     if (pClient == nullptr) {
       pClient = NimBLEDevice::getDisconnectedClient();
     }
 
     if (pClient == nullptr) {
       if (NimBLEDevice::getCreatedClientCount() >= NIMBLE_MAX_CONNECTIONS) {
-        return false;
+        return nullptr;
       }
 
       pClient = NimBLEDevice::createClient();
+      if (pClient == nullptr) {
+        return nullptr;
+      }
+
+      /**
+       *  Set initial connection parameters:
+       *  These settings are safe for 3 clients to connect reliably, can go faster if you have less
+       *  connections. Timeout should be a multiple of the interval, minimum is 100ms.
+       *  Min interval: 12 * 1.25ms = 15, Max interval: 12 * 1.25ms = 15, 0 latency, 1000 * 10ms = 10000ms timeout
+       */
+      pClient->setConnectionParams(12, 12, 0, 1000);
       pClient->setConnectTimeout(5000);
       pClient->setSelfDelete(false, true);
     }
 
-    if(pClient->isConnected()) {
-      if (!rSensor.connected) {
-        rSensor.connected = true;
-      }
-
-      return true;
+    if (!pClient->isConnected()) {
+      pClient->setPeerAddress(address);
     }
 
-    if (!pClient->connect(address)) {
-      Log.swarningln(
-        FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed connecting to %s"),
-        sensorId, sSensor.name, address.toString().c_str()
-      );
-
-      return false;
-    }
-
-    Log.sinfoln(
-      FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': connected to %s"),
-      sensorId, sSensor.name, address.toString().c_str()
-    );
+    return pClient;
+  }
 
+  bool subscribeToBleDevice(const uint8_t sensorId, NimBLEClient* pClient) {
+    auto& sSensor = Sensors::settings[sensorId];
+    auto pAddress = pClient->getPeerAddress().toString().c_str();
+    
     NimBLERemoteService* pService = nullptr;
     NimBLERemoteCharacteristic* pChar = nullptr;
 
@@ -480,13 +590,13 @@ protected:
     if (!pService) {
       Log.straceln(
         FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to find env service (%s) on device %s"),
-        sensorId, sSensor.name, serviceUuid.toString().c_str(), address.toString().c_str()
+        sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
       );
 
     } else {
       Log.straceln(
         FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found env service (%s) on device %s"),
-        sensorId, sSensor.name, serviceUuid.toString().c_str(), address.toString().c_str()
+        sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
       );
 
       // 0x2A6E - Notify temperature x0.01C (pvvx)
@@ -495,171 +605,16 @@ protected:
         NimBLEUUID charUuid((uint16_t) 0x2A6E);
         pChar = pService->getCharacteristic(charUuid);
 
-        if (pChar && pChar->canNotify()) {
+        if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
           Log.straceln(
             FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found temp char (%s) in env service on device %s"),
-            sensorId, sSensor.name, charUuid.toString().c_str(), address.toString().c_str()
+            sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
           );
 
-          tempNotifyCreated = pChar->subscribe(true, [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
-            if (pChar == nullptr) {
-              return;
-            }
-
-            const NimBLERemoteService* pService = pChar->getRemoteService();
-            if (pService == nullptr) {
-              return;
-            }
-
-            NimBLEClient* pClient = pService->getClient();
-            if (pClient == nullptr) {
-              return;
-            }
-
-            auto& sSensor = Sensors::settings[sensorId];
-
-            if (length != 2) {
-              Log.swarningln(
-                FPSTR(L_SENSORS_BLE),
-                F("Sensor #%hhu '%s': invalid notification data at temp char (%s) on device %s"),
-                sensorId,
-                sSensor.name,
-                pChar->getUUID().toString().c_str(),
-                pClient->getPeerAddress().toString().c_str()
-              );
-
-              return;
-            }
-
-            float rawTemp = (pChar->getValue<int16_t>() * 0.01f);
-            Log.straceln(
-              FPSTR(L_SENSORS_BLE),
-              F("Sensor #%hhu '%s': received temp: %.2f"),
-              sensorId, sSensor.name, rawTemp
-            );
-
-            // set temp
-            Sensors::setValueById(sensorId, rawTemp, Sensors::ValueType::TEMPERATURE, true, true);
-
-            // update rssi
-            Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
-          });
-
-          if (tempNotifyCreated) {
-            Log.straceln(
-              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to temp char (%s) in env service on device %s"),
-              sensorId, sSensor.name,
-              charUuid.toString().c_str(), address.toString().c_str()
-            );
-
-          } else {
-            Log.swarningln(
-              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to temp char (%s) in env service on device %s"),
-              sensorId, sSensor.name,
-              charUuid.toString().c_str(), address.toString().c_str()
-            );
-          }
-        }
-      }
-
-
-      // 0x2A1F - Notify temperature x0.1C (atc1441/pvvx)
-      if (!tempNotifyCreated) {
-        NimBLEUUID charUuid((uint16_t) 0x2A1F);
-        pChar = pService->getCharacteristic(charUuid);
-
-        if (pChar && pChar->canNotify()) {
-          Log.straceln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found temp char (%s) in env service on device %s"),
-            sensorId, sSensor.name, charUuid.toString().c_str(), address.toString().c_str()
-          );
-
-          tempNotifyCreated = pChar->subscribe(true, [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
-            if (pChar == nullptr) {
-              return;
-            }
-
-            const NimBLERemoteService* pService = pChar->getRemoteService();
-            if (pService == nullptr) {
-              return;
-            }
-
-            NimBLEClient* pClient = pService->getClient();
-            if (pClient == nullptr) {
-              return;
-            }
-
-            auto& sSensor = Sensors::settings[sensorId];
-
-            if (length != 2) {
-              Log.swarningln(
-                FPSTR(L_SENSORS_BLE),
-                F("Sensor #%hhu '%s': invalid notification data at temp char (%s) on device %s"),
-                sensorId,
-                sSensor.name,
-                pChar->getUUID().toString().c_str(),
-                pClient->getPeerAddress().toString().c_str()
-              );
-
-              return;
-            }
-
-            float rawTemp = (pChar->getValue<int16_t>() * 0.1f);
-            Log.straceln(
-              FPSTR(L_SENSORS_BLE),
-              F("Sensor #%hhu '%s': received temp: %.2f"),
-              sensorId, sSensor.name, rawTemp
-            );
-
-            // set temp
-            Sensors::setValueById(sensorId, rawTemp, Sensors::ValueType::TEMPERATURE, true, true);
-
-            // update rssi
-            Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
-          });
-
-          if (tempNotifyCreated) {
-            Log.straceln(
-              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to temp char (%s) in env service on device %s"),
-              sensorId, sSensor.name,
-              charUuid.toString().c_str(), address.toString().c_str()
-            );
-
-          } else {
-            Log.swarningln(
-              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to temp char (%s) in env service on device %s"),
-              sensorId, sSensor.name,
-              charUuid.toString().c_str(), address.toString().c_str()
-            );
-          }
-        }
-      }
-
-      if (!tempNotifyCreated) {
-        Log.swarningln(
-          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported temp chars in env service on device %s"),
-          sensorId, sSensor.name, address.toString().c_str()
-        );
-
-        pClient->disconnect();
-        return false;
-      }
-
-
-      // 0x2A6F - Notify about humidity x0.01% (pvvx)
-      {
-        bool humidityNotifyCreated = false;
-        if (!humidityNotifyCreated) {
-          NimBLEUUID charUuid((uint16_t) 0x2A6F);
-          pChar = pService->getCharacteristic(charUuid);
-
-          if (pChar && pChar->canNotify()) {
-            Log.straceln(
-              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found humidity char (%s) in env service on device %s"),
-              sensorId, sSensor.name, charUuid.toString().c_str(), address.toString().c_str()
-            );
-
-            humidityNotifyCreated = pChar->subscribe(true, [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+          pChar->unsubscribe();
+          tempNotifyCreated = pChar->subscribe(
+            pChar->canNotify(),
+            [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
               if (pChar == nullptr) {
                 return;
               }
@@ -679,7 +634,7 @@ protected:
               if (length != 2) {
                 Log.swarningln(
                   FPSTR(L_SENSORS_BLE),
-                  F("Sensor #%hhu '%s': invalid notification data at humidity char (%s) on device %s"),
+                  F("Sensor #%hhu '%s': invalid notification data at temp char (%s) on device %s"),
                   sensorId,
                   sSensor.name,
                   pChar->getUUID().toString().c_str(),
@@ -689,76 +644,54 @@ protected:
                 return;
               }
 
-              float rawHumidity = (pChar->getValue<uint16_t>() * 0.01f);
+              float rawTemp = (pChar->getValue<int16_t>() * 0.01f);
               Log.straceln(
                 FPSTR(L_SENSORS_BLE),
-                F("Sensor #%hhu '%s': received humidity: %.2f"),
-                sensorId, sSensor.name, rawHumidity
+                F("Sensor #%hhu '%s': received temp: %.2f"),
+                sensorId, sSensor.name, rawTemp
               );
 
-              // set humidity
-              Sensors::setValueById(sensorId, rawHumidity, Sensors::ValueType::HUMIDITY, true, true);
+              // set temp
+              Sensors::setValueById(sensorId, rawTemp, Sensors::ValueType::TEMPERATURE, true, true);
 
               // update rssi
               Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
-            });
-
-            if (humidityNotifyCreated) {
-              Log.straceln(
-                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to humidity char (%s) in env service on device %s"),
-                sensorId, sSensor.name,
-                charUuid.toString().c_str(), address.toString().c_str()
-              );
-
-            } else {
-              Log.swarningln(
-                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to humidity char (%s) in env service on device %s"),
-                sensorId, sSensor.name,
-                charUuid.toString().c_str(), address.toString().c_str()
-              );
             }
-          }
-        }
-
-        if (!humidityNotifyCreated) {
-          Log.swarningln(
-            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported humidity chars in env service on device %s"),
-            sensorId, sSensor.name, address.toString().c_str()
           );
-        }
-      }
-    }
 
-
-    // Battery Service (0x180F)
-    {
-      NimBLEUUID serviceUuid((uint16_t) 0x180F);
-      pService = pClient->getService(serviceUuid);
-      if (!pService) {
-        Log.straceln(
-          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to find battery service (%s) on device %s"),
-          sensorId, sSensor.name, serviceUuid.toString().c_str(), address.toString().c_str()
-        );
-
-      } else {
-        Log.straceln(
-          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found battery service (%s) on device %s"),
-          sensorId, sSensor.name, serviceUuid.toString().c_str(), address.toString().c_str()
-        );
-
-        // 0x2A19 - Notify the battery charge level 0..99% (pvvx)
-        bool batteryNotifyCreated = false;
-        if (!batteryNotifyCreated) {
-          NimBLEUUID charUuid((uint16_t) 0x2A19);
-          pChar = pService->getCharacteristic(charUuid);
-
-          if (pChar && pChar->canNotify()) {
+          if (tempNotifyCreated) {
             Log.straceln(
-              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found battery char (%s) in battery service on device %s"),
-              sensorId, sSensor.name, charUuid.toString().c_str(), address.toString().c_str()
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress
             );
 
-            batteryNotifyCreated = pChar->subscribe(true, [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+          } else {
+            Log.swarningln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress
+            );
+          }
+        }
+      }
+
+
+      // 0x2A1F - Notify temperature x0.1C (atc1441/pvvx)
+      if (!tempNotifyCreated) {
+        NimBLEUUID charUuid((uint16_t) 0x2A1F);
+        pChar = pService->getCharacteristic(charUuid);
+
+        if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+          Log.straceln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found temp char (%s) in env service on device %s"),
+            sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
+          );
+
+          pChar->unsubscribe();
+          tempNotifyCreated = pChar->subscribe(
+            pChar->canNotify(),
+            [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
               if (pChar == nullptr) {
                 return;
               }
@@ -775,10 +708,10 @@ protected:
 
               auto& sSensor = Sensors::settings[sensorId];
 
-              if (length != 1) {
+              if (length != 2) {
                 Log.swarningln(
                   FPSTR(L_SENSORS_BLE),
-                  F("Sensor #%hhu '%s': invalid notification data at battery char (%s) on device %s"),
+                  F("Sensor #%hhu '%s': invalid notification data at temp char (%s) on device %s"),
                   sensorId,
                   sSensor.name,
                   pChar->getUUID().toString().c_str(),
@@ -788,32 +721,225 @@ protected:
                 return;
               }
 
-              auto rawBattery = pChar->getValue<uint8_t>();
+              float rawTemp = (pChar->getValue<int16_t>() * 0.1f);
               Log.straceln(
                 FPSTR(L_SENSORS_BLE),
-                F("Sensor #%hhu '%s': received battery: %.2f"),
-                sensorId, sSensor.name, rawBattery
+                F("Sensor #%hhu '%s': received temp: %.2f"),
+                sensorId, sSensor.name, rawTemp
               );
 
-              // set battery
-              Sensors::setValueById(sensorId, rawBattery, Sensors::ValueType::BATTERY, true, true);
-              
+              // set temp
+              Sensors::setValueById(sensorId, rawTemp, Sensors::ValueType::TEMPERATURE, true, true);
+
               // update rssi
               Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
-            });
+            }
+          );
+
+          if (tempNotifyCreated) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress
+            );
+
+          } else {
+            Log.swarningln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to temp char (%s) in env service on device %s"),
+              sensorId, sSensor.name,
+              charUuid.toString().c_str(), pAddress
+            );
+          }
+        }
+      }
+
+      if (!tempNotifyCreated) {
+        Log.swarningln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported temp chars in env service on device %s"),
+          sensorId, sSensor.name, pAddress
+        );
+
+        pClient->disconnect();
+        return false;
+      }
+
+
+      // 0x2A6F - Notify about humidity x0.01% (pvvx)
+      {
+        bool humidityNotifyCreated = false;
+        if (!humidityNotifyCreated) {
+          NimBLEUUID charUuid((uint16_t) 0x2A6F);
+          pChar = pService->getCharacteristic(charUuid);
+
+          if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found humidity char (%s) in env service on device %s"),
+              sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
+            );
+
+            pChar->unsubscribe();
+            humidityNotifyCreated = pChar->subscribe(
+              pChar->canNotify(),
+              [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+                if (pChar == nullptr) {
+                  return;
+                }
+
+                const NimBLERemoteService* pService = pChar->getRemoteService();
+                if (pService == nullptr) {
+                  return;
+                }
+
+                NimBLEClient* pClient = pService->getClient();
+                if (pClient == nullptr) {
+                  return;
+                }
+
+                auto& sSensor = Sensors::settings[sensorId];
+
+                if (length != 2) {
+                  Log.swarningln(
+                    FPSTR(L_SENSORS_BLE),
+                    F("Sensor #%hhu '%s': invalid notification data at humidity char (%s) on device %s"),
+                    sensorId,
+                    sSensor.name,
+                    pChar->getUUID().toString().c_str(),
+                    pClient->getPeerAddress().toString().c_str()
+                  );
+
+                  return;
+                }
+
+                float rawHumidity = (pChar->getValue<uint16_t>() * 0.01f);
+                Log.straceln(
+                  FPSTR(L_SENSORS_BLE),
+                  F("Sensor #%hhu '%s': received humidity: %.2f"),
+                  sensorId, sSensor.name, rawHumidity
+                );
+
+                // set humidity
+                Sensors::setValueById(sensorId, rawHumidity, Sensors::ValueType::HUMIDITY, true, true);
+
+                // update rssi
+                Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
+              }
+            );
+
+            if (humidityNotifyCreated) {
+              Log.straceln(
+                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to humidity char (%s) in env service on device %s"),
+                sensorId, sSensor.name,
+                charUuid.toString().c_str(), pAddress
+              );
+
+            } else {
+              Log.swarningln(
+                FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to humidity char (%s) in env service on device %s"),
+                sensorId, sSensor.name,
+                charUuid.toString().c_str(), pAddress
+              );
+            }
+          }
+        }
+
+        if (!humidityNotifyCreated) {
+          Log.swarningln(
+            FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported humidity chars in env service on device %s"),
+            sensorId, sSensor.name, pAddress
+          );
+        }
+      }
+    }
+
+
+    // Battery Service (0x180F)
+    {
+      NimBLEUUID serviceUuid((uint16_t) 0x180F);
+      pService = pClient->getService(serviceUuid);
+      if (!pService) {
+        Log.straceln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to find battery service (%s) on device %s"),
+          sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
+        );
+
+      } else {
+        Log.straceln(
+          FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found battery service (%s) on device %s"),
+          sensorId, sSensor.name, serviceUuid.toString().c_str(), pAddress
+        );
+
+        // 0x2A19 - Notify the battery charge level 0..99% (pvvx)
+        bool batteryNotifyCreated = false;
+        if (!batteryNotifyCreated) {
+          NimBLEUUID charUuid((uint16_t) 0x2A19);
+          pChar = pService->getCharacteristic(charUuid);
+
+          if (pChar && (pChar->canNotify() || pChar->canIndicate())) {
+            Log.straceln(
+              FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': found battery char (%s) in battery service on device %s"),
+              sensorId, sSensor.name, charUuid.toString().c_str(), pAddress
+            );
+
+            pChar->unsubscribe();
+            batteryNotifyCreated = pChar->subscribe(
+              pChar->canNotify(),
+              [sensorId](NimBLERemoteCharacteristic* pChar, uint8_t* pData, size_t length, bool isNotify) {
+                if (pChar == nullptr) {
+                  return;
+                }
+
+                const NimBLERemoteService* pService = pChar->getRemoteService();
+                if (pService == nullptr) {
+                  return;
+                }
+
+                NimBLEClient* pClient = pService->getClient();
+                if (pClient == nullptr) {
+                  return;
+                }
+
+                auto& sSensor = Sensors::settings[sensorId];
+
+                if (length != 1) {
+                  Log.swarningln(
+                    FPSTR(L_SENSORS_BLE),
+                    F("Sensor #%hhu '%s': invalid notification data at battery char (%s) on device %s"),
+                    sensorId,
+                    sSensor.name,
+                    pChar->getUUID().toString().c_str(),
+                    pClient->getPeerAddress().toString().c_str()
+                  );
+
+                  return;
+                }
+
+                auto rawBattery = pChar->getValue<uint8_t>();
+                Log.straceln(
+                  FPSTR(L_SENSORS_BLE),
+                  F("Sensor #%hhu '%s': received battery: %hhu"),
+                  sensorId, sSensor.name, rawBattery
+                );
+
+                // set battery
+                Sensors::setValueById(sensorId, rawBattery, Sensors::ValueType::BATTERY, true, true);
+                
+                // update rssi
+                Sensors::setValueById(sensorId, pClient->getRssi(), Sensors::ValueType::RSSI, false, false);
+              }
+            );
 
             if (batteryNotifyCreated) {
               Log.straceln(
                 FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': subscribed to battery char (%s) in battery service on device %s"),
                 sensorId, sSensor.name,
-                charUuid.toString().c_str(), address.toString().c_str()
+                charUuid.toString().c_str(), pAddress
               );
 
             } else {
               Log.swarningln(
                 FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': failed to subscribe to battery char (%s) in battery service on device %s"),
                 sensorId, sSensor.name,
-                charUuid.toString().c_str(), address.toString().c_str()
+                charUuid.toString().c_str(), pAddress
               );
             }
           }
@@ -822,18 +948,33 @@ protected:
         if (!batteryNotifyCreated) {
           Log.swarningln(
             FPSTR(L_SENSORS_BLE), F("Sensor #%hhu '%s': not found supported battery chars in battery service on device %s"),
-            sensorId, sSensor.name, address.toString().c_str()
+            sensorId, sSensor.name, pAddress
           );
         }
       }
     }
 
     return true;
-    #else
-    return false;
-    #endif
   }
 
+  bool setDateOnBleSensor(NimBLEClient* pClient, const struct tm *ptm) {
+    auto ts = mkgmtime(ptm);
+
+    uint8_t data[5] = {};
+    data[0] = 0x23;
+    data[1] = ts & 0xff;
+    data[2] = (ts >> 8) & 0xff;
+    data[3] = (ts >> 16) & 0xff;
+    data[4] = (ts >> 24) & 0xff;
+
+    return pClient->setValue(
+      NimBLEUUID((uint16_t) 0x1f10),
+      NimBLEUUID((uint16_t) 0x1f1f),
+      NimBLEAttValue(data, sizeof(data))
+    );
+  }
+  #endif
+
   void updateConnectionStatus() {
     for (uint8_t sensorId = 0; sensorId <= Sensors::getMaxSensorId(); sensorId++) {
       auto& sSensor = Sensors::settings[sensorId];
@@ -858,7 +999,8 @@ protected:
   }
 
   static bool isEqualAddress(const uint8_t *addr1, const uint8_t *addr2, const uint8_t length = 8) {
-    bool result = true;
+    return memcmp(addr1, addr2, length) == 0;
+    /*bool result = true;
 
     for (uint8_t i = 0; i < length; i++) {
       if (addr1[i] != addr2[i]) {
@@ -867,7 +1009,7 @@ protected:
       }
     }
 
-    return result;
+    return result;*/
   }
 
   static bool isEmptyAddress(const uint8_t *addr, const uint8_t length = 8) {

src/Settings.h

@@ -36,6 +36,11 @@ struct Settings {
       unsigned short port = DEFAULT_TELNET_PORT;
     } telnet;
 
+    struct {
+      char server[49] = "pool.ntp.org";
+      char timezone[49] = "UTC0";
+    } ntp;
+
     UnitSystem unitSystem = UnitSystem::METRIC;
     byte statusLedGpio = DEFAULT_STATUS_LED_GPIO;
   } system;
@@ -110,11 +115,20 @@ struct Settings {
   struct {
     bool enabled = false;
     float p_factor = 2.0f;
-    float i_factor = 0.0055f;
+    float i_factor = 0.002f;
     float d_factor = 0.0f;
-    unsigned short dt = 180;
+    unsigned short dt = 300;
     short minTemp = 0;
     short maxTemp = DEFAULT_HEATING_MAX_TEMP;
+
+    struct {
+      bool enabled = true;
+      float p_multiplier = 1.0f;
+      float i_multiplier = 0.05f;
+      float d_multiplier = 1.0f;
+      float thresholdHigh = 0.5f;
+      float thresholdLow = 1.0f;
+    } deadband;
   } pid;
 
   struct {

src/strings.h

@@ -63,6 +63,7 @@ const char S_CRASH[]                                PROGMEM = "crash";
 const char S_CURRENT_TEMP[]                         PROGMEM = "currentTemp";
 const char S_DATA[]                                 PROGMEM = "data";
 const char S_DATE[]                                 PROGMEM = "date";
+const char S_DEADBAND[]                             PROGMEM = "deadband";
 const char S_DHW[]                                  PROGMEM = "dhw";
 const char S_DHW_BLOCKING[]                         PROGMEM = "dhwBlocking";
 const char S_DHW_SUPPORT[]                          PROGMEM = "dhwSupport";
@@ -71,6 +72,7 @@ const char S_DIAG[]                                 PROGMEM = "diag";
 const char S_DNS[]                                  PROGMEM = "dns";
 const char S_DT[]                                   PROGMEM = "dt";
 const char S_D_FACTOR[]                             PROGMEM = "d_factor";
+const char S_D_MULTIPLIER[]                         PROGMEM = "d_multiplier";
 const char S_EMERGENCY[]                            PROGMEM = "emergency";
 const char S_ENABLED[]                              PROGMEM = "enabled";
 const char S_ENV[]                                  PROGMEM = "env";
@@ -108,6 +110,7 @@ const char S_INTERVAL[]                             PROGMEM = "interval";
 const char S_INVERT_STATE[]                         PROGMEM = "invertState";
 const char S_IP[]                                   PROGMEM = "ip";
 const char S_I_FACTOR[]                             PROGMEM = "i_factor";
+const char S_I_MULTIPLIER[]                         PROGMEM = "i_multiplier";
 const char S_K_FACTOR[]                             PROGMEM = "k_factor";
 const char S_LOGIN[]                                PROGMEM = "login";
 const char S_LOG_LEVEL[]                            PROGMEM = "logLevel";
@@ -132,6 +135,7 @@ const char S_MQTT[]                                 PROGMEM = "mqtt";
 const char S_NAME[]                                 PROGMEM = "name";
 const char S_NATIVE_HEATING_CONTROL[]               PROGMEM = "nativeHeatingControl";
 const char S_NETWORK[]                              PROGMEM = "network";
+const char S_NTP[]                                  PROGMEM = "ntp";
 const char S_N_FACTOR[]                             PROGMEM = "n_factor";
 const char S_OFFSET[]                               PROGMEM = "offset";
 const char S_ON_ENABLED_HEATING[]                   PROGMEM = "onEnabledHeating";
@@ -152,6 +156,7 @@ const char S_PREFIX[]                               PROGMEM = "prefix";
 const char S_PROTOCOL_VERSION[]                     PROGMEM = "protocolVersion";
 const char S_PURPOSE[]                              PROGMEM = "purpose";
 const char S_P_FACTOR[]                             PROGMEM = "p_factor";
+const char S_P_MULTIPLIER[]                         PROGMEM = "p_multiplier";
 const char S_REAL_SIZE[]                            PROGMEM = "realSize";
 const char S_REASON[]                               PROGMEM = "reason";
 const char S_RESET_DIAGNOSTIC[]                     PROGMEM = "resetDiagnostic";
@@ -183,7 +188,10 @@ const char S_TARGET[]                               PROGMEM = "target";
 const char S_TARGET_TEMP[]                          PROGMEM = "targetTemp";
 const char S_TELNET[]                               PROGMEM = "telnet";
 const char S_TEMPERATURE[]                          PROGMEM = "temperature";
+const char S_THRESHOLD_HIGH[]                       PROGMEM = "thresholdHigh";
+const char S_THRESHOLD_LOW[]                        PROGMEM = "thresholdLow";
 const char S_THRESHOLD_TIME[]                       PROGMEM = "thresholdTime";
+const char S_TIMEZONE[]                             PROGMEM = "timezone";
 const char S_TOTAL[]                                PROGMEM = "total";
 const char S_TRESHOLD_TIME[]                        PROGMEM = "tresholdTime";
 const char S_TURBO[]                                PROGMEM = "turbo";

src/utils.h

@@ -1,5 +1,43 @@
 #include <Arduino.h>
 
+bool isLeapYear(short year) {
+  if (year % 4 != 0) {
+    return false;
+  }
+
+  if (year % 100 != 0) {
+    return true;
+  }
+
+  return (year % 400) == 0;
+}
+
+// convert UTC tm time to time_t epoch time
+// source: https://github.com/cyberman54/ESP32-Paxcounter/blob/master/src/timekeeper.cpp
+time_t mkgmtime(const struct tm *ptm) {
+  const int SecondsPerMinute = 60;
+  const int SecondsPerHour = 3600;
+  const int SecondsPerDay = 86400;
+  const int DaysOfMonth[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+  time_t secs = 0;
+  // tm_year is years since 1900
+  int year = ptm->tm_year + 1900;
+  for (int y = 1970; y < year; ++y) {
+    secs += (isLeapYear(y) ? 366 : 365) * SecondsPerDay;
+  }
+  // tm_mon is month from 0..11
+  for (int m = 0; m < ptm->tm_mon; ++m) {
+    secs += DaysOfMonth[m] * SecondsPerDay;
+    if (m == 1 && isLeapYear(year))
+      secs += SecondsPerDay;
+  }
+  secs += (ptm->tm_mday - 1) * SecondsPerDay;
+  secs += ptm->tm_hour * SecondsPerHour;
+  secs += ptm->tm_min * SecondsPerMinute;
+  secs += ptm->tm_sec;
+  return secs;
+}
+
 inline bool isDigit(const char* ptr) {
   char* endPtr;
   strtol(ptr, &endPtr, 10);
@@ -359,6 +397,10 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
     telnet[FPSTR(S_ENABLED)] = src.system.telnet.enabled;
     telnet[FPSTR(S_PORT)] = src.system.telnet.port;
 
+    auto ntp = system[FPSTR(S_NTP)].to<JsonObject>();
+    ntp[FPSTR(S_SERVER)] = src.system.ntp.server;
+    ntp[FPSTR(S_TIMEZONE)] = src.system.ntp.timezone;
+
     system[FPSTR(S_UNIT_SYSTEM)] = static_cast<uint8_t>(src.system.unitSystem);
     system[FPSTR(S_STATUS_LED_GPIO)] = src.system.statusLedGpio;
 
@@ -438,6 +480,14 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
   pid[FPSTR(S_MIN_TEMP)] = src.pid.minTemp;
   pid[FPSTR(S_MAX_TEMP)] = src.pid.maxTemp;
 
+  auto pidDeadband = pid[FPSTR(S_DEADBAND)].to<JsonObject>();
+  pidDeadband[FPSTR(S_ENABLED)] = src.pid.deadband.enabled;
+  pidDeadband[FPSTR(S_P_MULTIPLIER)] = src.pid.deadband.p_multiplier;
+  pidDeadband[FPSTR(S_I_MULTIPLIER)] = src.pid.deadband.i_multiplier;
+  pidDeadband[FPSTR(S_D_MULTIPLIER)] = src.pid.deadband.d_multiplier;
+  pidDeadband[FPSTR(S_THRESHOLD_HIGH)] = src.pid.deadband.thresholdHigh;
+  pidDeadband[FPSTR(S_THRESHOLD_LOW)] = src.pid.deadband.thresholdLow;
+
   if (!safe) {
     auto externalPump = dst[FPSTR(S_EXTERNAL_PUMP)].to<JsonObject>();
     externalPump[FPSTR(S_USE)] = src.externalPump.use;
@@ -519,6 +569,24 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
       }
     }
 
+    if (!src[FPSTR(S_SYSTEM)][FPSTR(S_NTP)][FPSTR(S_SERVER)].isNull()) {
+      String value = src[FPSTR(S_SYSTEM)][FPSTR(S_NTP)][FPSTR(S_SERVER)].as<String>();
+
+      if (value.length() < sizeof(dst.system.ntp.server) && !value.equals(dst.system.ntp.server)) {
+        strcpy(dst.system.ntp.server, value.c_str());
+        changed = true;
+      }
+    }
+
+    if (!src[FPSTR(S_SYSTEM)][FPSTR(S_NTP)][FPSTR(S_TIMEZONE)].isNull()) {
+      String value = src[FPSTR(S_SYSTEM)][FPSTR(S_NTP)][FPSTR(S_TIMEZONE)].as<String>();
+
+      if (value.length() < sizeof(dst.system.ntp.timezone) && !value.equals(dst.system.ntp.timezone)) {
+        strcpy(dst.system.ntp.timezone, value.c_str());
+        changed = true;
+      }
+    }
+
     if (!src[FPSTR(S_SYSTEM)][FPSTR(S_UNIT_SYSTEM)].isNull()) {
       uint8_t value = src[FPSTR(S_SYSTEM)][FPSTR(S_UNIT_SYSTEM)].as<unsigned char>();
       UnitSystem prevUnitSystem = dst.system.unitSystem;
@@ -1075,6 +1143,60 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     changed = true;
   }
 
+  if (src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_ENABLED)].is<bool>()) {
+    bool value = src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_ENABLED)].as<bool>();
+
+    if (value != dst.pid.deadband.enabled) {
+      dst.pid.deadband.enabled = value;
+      changed = true;
+    }
+  }
+
+  if (!src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_P_MULTIPLIER)].isNull()) {
+    float value = src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_P_MULTIPLIER)].as<float>();
+
+    if (value >= 0 && value <= 1 && fabsf(value - dst.pid.deadband.p_multiplier) > 0.0001f) {
+      dst.pid.deadband.p_multiplier = roundf(value, 3);
+      changed = true;
+    }
+  }
+
+  if (!src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_I_MULTIPLIER)].isNull()) {
+    float value = src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_I_MULTIPLIER)].as<float>();
+
+    if (value >= 0 && value <= 1 && fabsf(value - dst.pid.deadband.i_multiplier) > 0.0001f) {
+      dst.pid.deadband.i_multiplier = roundf(value, 3);
+      changed = true;
+    }
+  }
+
+  if (!src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_D_MULTIPLIER)].isNull()) {
+    float value = src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_D_MULTIPLIER)].as<float>();
+
+    if (value >= 0 && value <= 1 && fabsf(value - dst.pid.deadband.d_multiplier) > 0.0001f) {
+      dst.pid.deadband.d_multiplier = roundf(value, 3);
+      changed = true;
+    }
+  }
+
+  if (!src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_THRESHOLD_HIGH)].isNull()) {
+    float value = src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_THRESHOLD_HIGH)].as<float>();
+
+    if (value >= 0.0f && value <= 5.0f && fabsf(value - dst.pid.deadband.thresholdHigh) > 0.0001f) {
+      dst.pid.deadband.thresholdHigh = roundf(value, 2);
+      changed = true;
+    }
+  }
+
+  if (!src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_THRESHOLD_LOW)].isNull()) {
+    float value = src[FPSTR(S_PID)][FPSTR(S_DEADBAND)][FPSTR(S_THRESHOLD_LOW)].as<float>();
+
+    if (value >= 0.0f && value <= 5.0f && fabsf(value - dst.pid.deadband.thresholdLow) > 0.0001f) {
+      dst.pid.deadband.thresholdLow = roundf(value, 2);
+      changed = true;
+    }
+  }
+
 
   // heating
   if (src[FPSTR(S_HEATING)][FPSTR(S_ENABLED)].is<bool>()) {

src_data/locales/en.json

@@ -315,6 +315,11 @@
             "title": "Telnet port",
             "note": "Default: 23"
           }
+        },
+        "ntp": {
+          "server": "NTP server",
+          "timezone": "Timezone",
+          "timezonePresets": "Select preset..."
         }
       },
 
@@ -347,7 +352,19 @@
         "i": "I factor",
         "d": "D factor",
         "dt": "DT <small>in seconds</small>",
-        "noteMinMaxTemp": "<b>Important:</b> When using «Equitherm» and «PID» at the same time, the min and max temperatures limit the influence on the «Equitherm» result temperature.<br />Thus, if the min temperature is set to -15 and the max temperature is set to 15, then the final heat carrier setpoint will be from <code>equitherm_result - 15</code> to <code>equitherm_result + 15</code>."
+        "limits": {
+          "title": "Limits",
+          "note": "<b>Important:</b> When using «Equitherm» and «PID» at the same time, the min and max temperatures limit the influence on the «Equitherm» result temperature.<br />Thus, if the min temperature is set to -15 and the max temperature is set to 15, then the final heat carrier setpoint will be from <code>equitherm_result - 15</code> to <code>equitherm_result + 15</code>."
+        },
+        "deadband": {
+          "title": "Deadband",
+          "note": "Deadband is a range around the target temperature where PID regulation becomes less active. Within this range, the algorithm can reduce intensity or pause adjustments to avoid overreacting to small fluctuations.<br /><br />For instance, with a target temperature of 22°, a lower threshold of 1.0, and an upper threshold of 0.5, the deadband operates between 21° and 22.5°. If the I coefficient is 0.0005 and the I multiplier is 0.05, then within the deadband, the I coefficient becomes: <code>0.0005 * 0.05 = 0.000025</code>",
+          "p_multiplier": "Multiplier for P factor",
+          "i_multiplier": "Multiplier for I factor",
+          "d_multiplier": "Multiplier for D factor",
+          "thresholdHigh": "Threshold high",
+          "thresholdLow": "Threshold low"
+        }
       },
 
       "ot": {

src_data/locales/it.json

@@ -315,6 +315,11 @@
             "title": "Porta Telnet",
             "note": "Default: 23"
           }
+        },
+        "ntp": {
+          "server": "NTP server",
+          "timezone": "Zona oraria",
+          "timezonePresets": "Seleziona preimpostato..."
         }
       },
 
@@ -347,7 +352,19 @@
         "i": "Fattore I",
         "d": "Fattore D",
         "dt": "DT <small>in secondi</small>",
-        "noteMinMaxTemp": "<b>Importante:</b> Quando usi «Equitherm» e «PID» allo stesso tempo, i limiti della temperatura min e max influenzano il risultato della temperatura «Equitherm».<br />Thus, se la temperatura minima è impostata a -15 e la massima a 15, il riscaldamento finale sarà impostato fra <code>equitherm_result - 15</code> a <code>equitherm_result + 15</code>."
+        "limits": {
+          "title": "Limiti",
+          "note": "<b>Importante:</b> Quando usi «Equitherm» e «PID» allo stesso tempo, i limiti della temperatura min e max influenzano il risultato della temperatura «Equitherm».<br />Thus, se la temperatura minima è impostata a -15 e la massima a 15, il riscaldamento finale sarà impostato fra <code>equitherm_result - 15</code> a <code>equitherm_result + 15</code>."
+        },
+        "deadband": {
+          "title": "Zona morta (Deadband)",
+          "note": "La zona morta è un intervallo intorno alla temperatura target in cui la regolazione PID diventa meno attiva. In questo intervallo, l'algoritmo può ridurre l'intensità o interrompere gli aggiustamenti per evitare di reagire eccessivamente a piccole fluttuazioni.<br /><br />Ad esempio, con una temperatura target di 22°, una soglia inferiore di 1.0 e una soglia superiore di 0.5, la zona morta opera tra 21° e 22.5°. Se il coefficiente I è 0.0005 e il moltiplicatore I è 0.05, allora nella zona morta, il coefficiente I diventa: <code>0.0005 * 0.05 = 0.000025</code>",
+          "p_multiplier": "Moltiplicatore P",
+          "i_multiplier": "Moltiplicatore I",
+          "d_multiplier": "Moltiplicatore D",
+          "thresholdHigh": "Soglia superiore",
+          "thresholdLow": "Soglia inferiore"
+        }
       },
 
       "ot": {

src_data/locales/ru.json

@@ -315,6 +315,11 @@
             "title": "Telnet порт",
             "note": "По умолчанию: 23"
           }
+        },
+        "ntp": {
+          "server": "NTP сервер",
+          "timezone": "Часовой пояс",
+          "timezonePresets": "Выберите пресет..."
         }
       },
 
@@ -347,7 +352,19 @@
         "i": "Коэффициент I",
         "d": "Коэффициент D",
         "dt": "DT <small>(сек)</small>",
-        "noteMinMaxTemp": "<b>Важно:</b> При использовании «ПЗА» и «ПИД» одновременно, мин. и макс. температура ограничивает влияние на расчётную температуру «ПЗА».<br />Таким образом, если мин. температура задана как -15, а макс. как 15, то конечная температура теплоносителя будет от <code>equitherm_result - 15</code> до <code>equitherm_result + 15</code>."
+        "limits": {
+          "title": "Лимиты",
+          "note": "<b>Важно:</b> При использовании «ПЗА» и «ПИД» одновременно, мин. и макс. температура ограничивает влияние на расчётную температуру «ПЗА».<br />Таким образом, если мин. температура задана как -15, а макс. как 15, то конечная температура теплоносителя будет от <code>equitherm_result - 15</code> до <code>equitherm_result + 15</code>."
+        },
+        "deadband": {
+          "title": "Зона нечувствительности (Deadband)",
+          "note": "Deadband - это зона нечувствительности вокруг целевой температуры, в которой PID-регулирование становится менее активным. В этом диапазоне алгоритм может снижать интенсивность или полностью прекращать корректировку температуры, чтобы избежать излишней чувствительности к небольшим колебаниям.<br /><br />Например, при целевой температуре 22°, нижнем пороге 1.0 и верхнем 0.5, deadband активен в диапазоне от 21° до 22.5°. Если коэфф. I=0.0005, а множитель I=0.05, то при включении зоны нечувствительности коэфф. I будет равен: <code>0.0005 * 0.05 = 0.000025</code>",
+          "p_multiplier": "Множитель для коэф. P",
+          "i_multiplier": "Множитель для коэф. I",
+          "d_multiplier": "Множитель для коэф. D",
+          "thresholdHigh": "Верхний порог",
+          "thresholdLow": "Нижний порог"
+        }
       },
 
       "ot": {

src_data/pages/dashboard.html

@@ -259,7 +259,7 @@
 <b>Type:</b>               <span class="sType"></span>
 <b>AppVersion:</b>         <span class="sAppVersion"></span>
 <b>OT version:</b>         <span class="sProtocolVersion"></span>
-<b>Modulation limits:</b>  <span class="sModMin"></span>...<span class="sModMax"></span> %
+<b>Modulation limits:</b>  <span class="sModMin"></span>...<span class="sAbsModMax"></span> %, curr. max: <span class="sModMax"></span> %
 <b>Power limits:</b>       <span class="sPowerMin"></span>...<span class="sPowerMax"></span> kW
 <b>Heating limits:</b>     <span class="sHeatMinTemp"></span>...<span class="sHeatMaxTemp"></span> <span class="tempUnit"></span>
 <b>DHW limits:</b>         <span class="sDhwMinTemp"></span>...<span class="sDhwMaxTemp"></span> <span class="tempUnit"></span></pre>
@@ -511,6 +511,7 @@
             setValue('.tempUnit', temperatureUnit(unitSystem));
             setValue('.pressureUnit', pressureUnit(unitSystem));
             setValue('.volumeUnit', volumeUnit(unitSystem));
+            setValue('.sAbsModMax', result.opentherm.maxModulation);
 
           } catch (error) {
             console.log(error);

src_data/pages/sensors.html

@@ -211,7 +211,7 @@
             sensorNode.classList.remove("hidden");
             sensorNode.dataset.id = sensorId;
             setValue(".id", sensorId, sensorNode);
-            setValue(".pos", sensorId + 1, sensorNode);
+            setValue(".pos", parseInt(sensorId) + 1, sensorNode);
             setValue(".name", result[sensorId], sensorNode);
             
             container.appendChild(sensorNode);

src_data/pages/settings.html

@@ -85,6 +85,23 @@
                 </label>
               </fieldset>
 
+              <fieldset>
+                <label>
+                  <span data-i18n>settings.system.ntp.server</span>
+                  <input type="text" name="system[ntp][server]" maxlength="48">
+                </label>
+
+                <label>
+                  <span data-i18n>settings.system.ntp.timezone</span>
+                  <div role="group">
+                    <input type="text" name="system[ntp][timezone]" maxlength="48">
+                    <select class="presetTimezones">
+                      <option disabled selected data-i18n>settings.system.ntp.timezonePresets</option>
+                    </select>
+                  </div>
+                  </label>
+              </fieldset>
+
               <fieldset>
                 <label>
                   <span data-i18n>settings.system.statusLedGpio</span>
@@ -313,19 +330,73 @@
 
               <hr />
 
-              <div class="grid">
-                <label>
-                  <span data-i18n>settings.temp.min</span>
-                  <input type="number" inputmode="numeric" name="pid[minTemp]" min="0" max="0" step="1" required>
-                </label>
+              <details>
+                <summary><b data-i18n>settings.pid.limits.title</b></summary>
 
-                <label>
-                  <span data-i18n>settings.temp.max</span>
-                  <input type="number" inputmode="numeric" name="pid[maxTemp]" min="0" max="0" step="1" required>
-                </label>
-              </div>
+                <div>
+                  <div class="grid">
+                    <label>
+                      <span data-i18n>settings.temp.min</span>
+                      <input type="number" inputmode="decimal" name="pid[minTemp]" min="0" max="0" step="1" required>
+                    </label>
+    
+                    <label>
+                      <span data-i18n>settings.temp.max</span>
+                      <input type="number" inputmode="numeric" name="pid[maxTemp]" min="0" max="0" step="1" required>
+                    </label>
+                  </div>
 
-              <small data-i18n>settings.pid.noteMinMaxTemp</small>
+                  <small data-i18n>settings.pid.limits.note</small>
+                </div>
+              </details>
+
+              <hr />
+
+              <details>
+                <summary><b data-i18n>settings.pid.deadband.title</b></summary>
+
+                <div>
+                  <fieldset>
+                    <label>
+                      <input type="checkbox" name="pid[deadband][enabled]" value="true">
+                      <span data-i18n>settings.enable</span>
+                    </label>
+                  </fieldset>
+
+                  <div class="grid">
+                    <label>
+                      <span data-i18n>settings.pid.deadband.p_multiplier</span>
+                      <input type="number" inputmode="decimal" name="pid[deadband][p_multiplier]" min="0" max="5" step="0.001" required>
+                    </label>
+    
+                    <label>
+                      <span data-i18n>settings.pid.deadband.i_multiplier</span>
+                      <input type="number" inputmode="decimal" name="pid[deadband][i_multiplier]" min="0" max="1" step="0.001" required>
+                    </label>
+    
+                    <label>
+                      <span data-i18n>settings.pid.deadband.d_multiplier</span>
+                      <input type="number" inputmode="decimal" name="pid[deadband][d_multiplier]" min="0" max="1" step="0.001" required>
+                    </label>
+                  </div>
+
+                  <div class="grid">
+                    <label>
+                      <span data-i18n>settings.pid.deadband.thresholdHigh</span>
+                      <input type="number" inputmode="decimal" name="pid[deadband][thresholdHigh]" min="0" max="5" step="0.01" required>
+                    </label>
+    
+                    <label>
+                      <span data-i18n>settings.pid.deadband.thresholdLow</span>
+                      <input type="number" inputmode="decimal" name="pid[deadband][thresholdLow]" min="0" max="5" step="0.01" required>
+                    </label>
+                  </div>
+
+                  <small data-i18n>settings.pid.deadband.note</small>
+                </div>
+              </details>
+
+              <br />
 
               <button type="submit" data-i18n>button.save</button>
             </form>
@@ -633,12 +704,12 @@
               <div class="grid">
                 <label>
                   <span data-i18n>settings.cascadeControl.output.gpio</span>
-                  <input type="number" outputmode="numeric" name="cascadeControl[output][gpio]" min="0" max="254" step="1">
+                  <input type="number" inputmode="numeric" name="cascadeControl[output][gpio]" min="0" max="254" step="1">
                 </label>
 
                 <label>
                   <span data-i18n>settings.cascadeControl.output.thresholdTime</span>
-                  <input type="number" outputmode="numeric" name="cascadeControl[output][thresholdTime]" min="5" max="600" step="1" required>
+                  <input type="number" inputmode="numeric" name="cascadeControl[output][thresholdTime]" min="5" max="600" step="1" required>
                 </label>
               </div>
 
@@ -692,6 +763,8 @@
           setSelectValue("[name='system[serial][baudrate]']", data.system.serial.baudrate);
           setCheckboxValue("[name='system[telnet][enabled]']", data.system.telnet.enabled);
           setInputValue("[name='system[telnet][port]']", data.system.telnet.port);
+          setInputValue("[name='system[ntp][server]']", data.system.ntp.server);
+          setInputValue("[name='system[ntp][timezone]']", data.system.ntp.timezone);
           setRadioValue("[name='system[unitSystem]']", data.system.unitSystem);
           setInputValue("[name='system[statusLedGpio]']", data.system.statusLedGpio < 255 ? data.system.statusLedGpio : '');
           setBusy('#system-settings-busy', '#system-settings', false);
@@ -823,9 +896,37 @@
             "min": (data.system.unitSystem == 0 ? 0 : 33),
             "max": (data.system.unitSystem == 0 ? 100 : 212)
           });
+          setCheckboxValue("[name='pid[deadband][enabled]']", data.pid.deadband.enabled);
+          setInputValue("[name='pid[deadband][p_multiplier]']", data.pid.deadband.p_multiplier);
+          setInputValue("[name='pid[deadband][i_multiplier]']", data.pid.deadband.i_multiplier);
+          setInputValue("[name='pid[deadband][d_multiplier]']", data.pid.deadband.d_multiplier);
+          setInputValue("[name='pid[deadband][thresholdHigh]']", data.pid.deadband.thresholdHigh);
+          setInputValue("[name='pid[deadband][thresholdLow]']", data.pid.deadband.thresholdLow);
           setBusy('#pid-settings-busy', '#pid-settings', false);
         };
 
+        try {
+          const response = await fetch("/static/timezones.json");
+          if (!response.ok) {
+            throw new Error('Response not valid');
+          }
+
+          const result = await response.json();
+          const ptzSelector = document.querySelector(".presetTimezones");
+          for (const ptzName in result) {
+            ptzSelector.appendChild(
+              new Option(ptzName, result[ptzName])
+            );
+          }
+
+          ptzSelector.addEventListener("change", async (event) => {
+            document.querySelector("[name='system[ntp][timezone]']").value = event.target.value;
+          });
+
+        } catch (error) {
+          console.log(error);
+        }
+
         try {
           const response = await fetch("/api/settings", {
             cache: "no-cache",

src_data/timezones.json

@@ -0,0 +1,458 @@
+{
+  "Africa/Abidjan":"GMT0",
+  "Africa/Accra":"GMT0",
+  "Africa/Addis_Ababa":"EAT-3",
+  "Africa/Algiers":"CET-1",
+  "Africa/Asmara":"EAT-3",
+  "Africa/Bamako":"GMT0",
+  "Africa/Bangui":"WAT-1",
+  "Africa/Banjul":"GMT0",
+  "Africa/Bissau":"GMT0",
+  "Africa/Blantyre":"CAT-2",
+  "Africa/Brazzaville":"WAT-1",
+  "Africa/Bujumbura":"CAT-2",
+  "Africa/Cairo":"EET-2EEST,M4.5.5/0,M10.5.4/24",
+  "Africa/Casablanca":"<+01>-1",
+  "Africa/Ceuta":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Africa/Conakry":"GMT0",
+  "Africa/Dakar":"GMT0",
+  "Africa/Dar_es_Salaam":"EAT-3",
+  "Africa/Djibouti":"EAT-3",
+  "Africa/Douala":"WAT-1",
+  "Africa/El_Aaiun":"<+01>-1",
+  "Africa/Freetown":"GMT0",
+  "Africa/Gaborone":"CAT-2",
+  "Africa/Harare":"CAT-2",
+  "Africa/Johannesburg":"SAST-2",
+  "Africa/Juba":"CAT-2",
+  "Africa/Kampala":"EAT-3",
+  "Africa/Khartoum":"CAT-2",
+  "Africa/Kigali":"CAT-2",
+  "Africa/Kinshasa":"WAT-1",
+  "Africa/Lagos":"WAT-1",
+  "Africa/Libreville":"WAT-1",
+  "Africa/Lome":"GMT0",
+  "Africa/Luanda":"WAT-1",
+  "Africa/Lubumbashi":"CAT-2",
+  "Africa/Lusaka":"CAT-2",
+  "Africa/Malabo":"WAT-1",
+  "Africa/Maputo":"CAT-2",
+  "Africa/Maseru":"SAST-2",
+  "Africa/Mbabane":"SAST-2",
+  "Africa/Mogadishu":"EAT-3",
+  "Africa/Monrovia":"GMT0",
+  "Africa/Nairobi":"EAT-3",
+  "Africa/Ndjamena":"WAT-1",
+  "Africa/Niamey":"WAT-1",
+  "Africa/Nouakchott":"GMT0",
+  "Africa/Ouagadougou":"GMT0",
+  "Africa/Porto-Novo":"WAT-1",
+  "Africa/Sao_Tome":"GMT0",
+  "Africa/Tripoli":"EET-2",
+  "Africa/Tunis":"CET-1",
+  "Africa/Windhoek":"CAT-2",
+  "America/Adak":"HST10HDT,M3.2.0,M11.1.0",
+  "America/Anchorage":"AKST9AKDT,M3.2.0,M11.1.0",
+  "America/Anguilla":"AST4",
+  "America/Antigua":"AST4",
+  "America/Araguaina":"<-03>3",
+  "America/Argentina/Buenos_Aires":"<-03>3",
+  "America/Argentina/Catamarca":"<-03>3",
+  "America/Argentina/Cordoba":"<-03>3",
+  "America/Argentina/Jujuy":"<-03>3",
+  "America/Argentina/La_Rioja":"<-03>3",
+  "America/Argentina/Mendoza":"<-03>3",
+  "America/Argentina/Rio_Gallegos":"<-03>3",
+  "America/Argentina/Salta":"<-03>3",
+  "America/Argentina/San_Juan":"<-03>3",
+  "America/Argentina/San_Luis":"<-03>3",
+  "America/Argentina/Tucuman":"<-03>3",
+  "America/Argentina/Ushuaia":"<-03>3",
+  "America/Aruba":"AST4",
+  "America/Asuncion":"<-04>4<-03>,M10.1.0/0,M3.4.0/0",
+  "America/Atikokan":"EST5",
+  "America/Bahia":"<-03>3",
+  "America/Bahia_Banderas":"CST6",
+  "America/Barbados":"AST4",
+  "America/Belem":"<-03>3",
+  "America/Belize":"CST6",
+  "America/Blanc-Sablon":"AST4",
+  "America/Boa_Vista":"<-04>4",
+  "America/Bogota":"<-05>5",
+  "America/Boise":"MST7MDT,M3.2.0,M11.1.0",
+  "America/Cambridge_Bay":"MST7MDT,M3.2.0,M11.1.0",
+  "America/Campo_Grande":"<-04>4",
+  "America/Cancun":"EST5",
+  "America/Caracas":"<-04>4",
+  "America/Cayenne":"<-03>3",
+  "America/Cayman":"EST5",
+  "America/Chicago":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Chihuahua":"CST6",
+  "America/Costa_Rica":"CST6",
+  "America/Creston":"MST7",
+  "America/Cuiaba":"<-04>4",
+  "America/Curacao":"AST4",
+  "America/Danmarkshavn":"GMT0",
+  "America/Dawson":"MST7",
+  "America/Dawson_Creek":"MST7",
+  "America/Denver":"MST7MDT,M3.2.0,M11.1.0",
+  "America/Detroit":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Dominica":"AST4",
+  "America/Edmonton":"MST7MDT,M3.2.0,M11.1.0",
+  "America/Eirunepe":"<-05>5",
+  "America/El_Salvador":"CST6",
+  "America/Fort_Nelson":"MST7",
+  "America/Fortaleza":"<-03>3",
+  "America/Glace_Bay":"AST4ADT,M3.2.0,M11.1.0",
+  "America/Godthab":"<-02>2<-01>,M3.5.0/-1,M10.5.0/0",
+  "America/Goose_Bay":"AST4ADT,M3.2.0,M11.1.0",
+  "America/Grand_Turk":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Grenada":"AST4",
+  "America/Guadeloupe":"AST4",
+  "America/Guatemala":"CST6",
+  "America/Guayaquil":"<-05>5",
+  "America/Guyana":"<-04>4",
+  "America/Halifax":"AST4ADT,M3.2.0,M11.1.0",
+  "America/Havana":"CST5CDT,M3.2.0/0,M11.1.0/1",
+  "America/Hermosillo":"MST7",
+  "America/Indiana/Indianapolis":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Indiana/Knox":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Indiana/Marengo":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Indiana/Petersburg":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Indiana/Tell_City":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Indiana/Vevay":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Indiana/Vincennes":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Indiana/Winamac":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Inuvik":"MST7MDT,M3.2.0,M11.1.0",
+  "America/Iqaluit":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Jamaica":"EST5",
+  "America/Juneau":"AKST9AKDT,M3.2.0,M11.1.0",
+  "America/Kentucky/Louisville":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Kentucky/Monticello":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Kralendijk":"AST4",
+  "America/La_Paz":"<-04>4",
+  "America/Lima":"<-05>5",
+  "America/Los_Angeles":"PST8PDT,M3.2.0,M11.1.0",
+  "America/Lower_Princes":"AST4",
+  "America/Maceio":"<-03>3",
+  "America/Managua":"CST6",
+  "America/Manaus":"<-04>4",
+  "America/Marigot":"AST4",
+  "America/Martinique":"AST4",
+  "America/Matamoros":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Mazatlan":"MST7",
+  "America/Menominee":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Merida":"CST6",
+  "America/Metlakatla":"AKST9AKDT,M3.2.0,M11.1.0",
+  "America/Mexico_City":"CST6",
+  "America/Miquelon":"<-03>3<-02>,M3.2.0,M11.1.0",
+  "America/Moncton":"AST4ADT,M3.2.0,M11.1.0",
+  "America/Monterrey":"CST6",
+  "America/Montevideo":"<-03>3",
+  "America/Montreal":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Montserrat":"AST4",
+  "America/Nassau":"EST5EDT,M3.2.0,M11.1.0",
+  "America/New_York":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Nipigon":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Nome":"AKST9AKDT,M3.2.0,M11.1.0",
+  "America/Noronha":"<-02>2",
+  "America/North_Dakota/Beulah":"CST6CDT,M3.2.0,M11.1.0",
+  "America/North_Dakota/Center":"CST6CDT,M3.2.0,M11.1.0",
+  "America/North_Dakota/New_Salem":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Nuuk":"<-02>2<-01>,M3.5.0/-1,M10.5.0/0",
+  "America/Ojinaga":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Panama":"EST5",
+  "America/Pangnirtung":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Paramaribo":"<-03>3",
+  "America/Phoenix":"MST7",
+  "America/Port-au-Prince":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Port_of_Spain":"AST4",
+  "America/Porto_Velho":"<-04>4",
+  "America/Puerto_Rico":"AST4",
+  "America/Punta_Arenas":"<-03>3",
+  "America/Rainy_River":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Rankin_Inlet":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Recife":"<-03>3",
+  "America/Regina":"CST6",
+  "America/Resolute":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Rio_Branco":"<-05>5",
+  "America/Santarem":"<-03>3",
+  "America/Santiago":"<-04>4<-03>,M9.1.6/24,M4.1.6/24",
+  "America/Santo_Domingo":"AST4",
+  "America/Sao_Paulo":"<-03>3",
+  "America/Scoresbysund":"<-02>2<-01>,M3.5.0/-1,M10.5.0/0",
+  "America/Sitka":"AKST9AKDT,M3.2.0,M11.1.0",
+  "America/St_Barthelemy":"AST4",
+  "America/St_Johns":"NST3:30NDT,M3.2.0,M11.1.0",
+  "America/St_Kitts":"AST4",
+  "America/St_Lucia":"AST4",
+  "America/St_Thomas":"AST4",
+  "America/St_Vincent":"AST4",
+  "America/Swift_Current":"CST6",
+  "America/Tegucigalpa":"CST6",
+  "America/Thule":"AST4ADT,M3.2.0,M11.1.0",
+  "America/Thunder_Bay":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Tijuana":"PST8PDT,M3.2.0,M11.1.0",
+  "America/Toronto":"EST5EDT,M3.2.0,M11.1.0",
+  "America/Tortola":"AST4",
+  "America/Vancouver":"PST8PDT,M3.2.0,M11.1.0",
+  "America/Whitehorse":"MST7",
+  "America/Winnipeg":"CST6CDT,M3.2.0,M11.1.0",
+  "America/Yakutat":"AKST9AKDT,M3.2.0,M11.1.0",
+  "America/Yellowknife":"MST7MDT,M3.2.0,M11.1.0",
+  "Antarctica/Casey":"<+08>-8",
+  "Antarctica/Davis":"<+07>-7",
+  "Antarctica/DumontDUrville":"<+10>-10",
+  "Antarctica/Macquarie":"AEST-10AEDT,M10.1.0,M4.1.0/3",
+  "Antarctica/Mawson":"<+05>-5",
+  "Antarctica/McMurdo":"NZST-12NZDT,M9.5.0,M4.1.0/3",
+  "Antarctica/Palmer":"<-03>3",
+  "Antarctica/Rothera":"<-03>3",
+  "Antarctica/Syowa":"<+03>-3",
+  "Antarctica/Troll":"<+00>0<+02>-2,M3.5.0/1,M10.5.0/3",
+  "Antarctica/Vostok":"<+05>-5",
+  "Arctic/Longyearbyen":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Asia/Aden":"<+03>-3",
+  "Asia/Almaty":"<+05>-5",
+  "Asia/Amman":"<+03>-3",
+  "Asia/Anadyr":"<+12>-12",
+  "Asia/Aqtau":"<+05>-5",
+  "Asia/Aqtobe":"<+05>-5",
+  "Asia/Ashgabat":"<+05>-5",
+  "Asia/Atyrau":"<+05>-5",
+  "Asia/Baghdad":"<+03>-3",
+  "Asia/Bahrain":"<+03>-3",
+  "Asia/Baku":"<+04>-4",
+  "Asia/Bangkok":"<+07>-7",
+  "Asia/Barnaul":"<+07>-7",
+  "Asia/Beirut":"EET-2EEST,M3.5.0/0,M10.5.0/0",
+  "Asia/Bishkek":"<+06>-6",
+  "Asia/Brunei":"<+08>-8",
+  "Asia/Chita":"<+09>-9",
+  "Asia/Choibalsan":"<+08>-8",
+  "Asia/Colombo":"<+0530>-5:30",
+  "Asia/Damascus":"<+03>-3",
+  "Asia/Dhaka":"<+06>-6",
+  "Asia/Dili":"<+09>-9",
+  "Asia/Dubai":"<+04>-4",
+  "Asia/Dushanbe":"<+05>-5",
+  "Asia/Famagusta":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Asia/Gaza":"EET-2EEST,M3.4.4/50,M10.4.4/50",
+  "Asia/Hebron":"EET-2EEST,M3.4.4/50,M10.4.4/50",
+  "Asia/Ho_Chi_Minh":"<+07>-7",
+  "Asia/Hong_Kong":"HKT-8",
+  "Asia/Hovd":"<+07>-7",
+  "Asia/Irkutsk":"<+08>-8",
+  "Asia/Jakarta":"WIB-7",
+  "Asia/Jayapura":"WIT-9",
+  "Asia/Jerusalem":"IST-2IDT,M3.4.4/26,M10.5.0",
+  "Asia/Kabul":"<+0430>-4:30",
+  "Asia/Kamchatka":"<+12>-12",
+  "Asia/Karachi":"PKT-5",
+  "Asia/Kathmandu":"<+0545>-5:45",
+  "Asia/Khandyga":"<+09>-9",
+  "Asia/Kolkata":"IST-5:30",
+  "Asia/Krasnoyarsk":"<+07>-7",
+  "Asia/Kuala_Lumpur":"<+08>-8",
+  "Asia/Kuching":"<+08>-8",
+  "Asia/Kuwait":"<+03>-3",
+  "Asia/Macau":"CST-8",
+  "Asia/Magadan":"<+11>-11",
+  "Asia/Makassar":"WITA-8",
+  "Asia/Manila":"PST-8",
+  "Asia/Muscat":"<+04>-4",
+  "Asia/Nicosia":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Asia/Novokuznetsk":"<+07>-7",
+  "Asia/Novosibirsk":"<+07>-7",
+  "Asia/Omsk":"<+06>-6",
+  "Asia/Oral":"<+05>-5",
+  "Asia/Phnom_Penh":"<+07>-7",
+  "Asia/Pontianak":"WIB-7",
+  "Asia/Pyongyang":"KST-9",
+  "Asia/Qatar":"<+03>-3",
+  "Asia/Qyzylorda":"<+05>-5",
+  "Asia/Riyadh":"<+03>-3",
+  "Asia/Sakhalin":"<+11>-11",
+  "Asia/Samarkand":"<+05>-5",
+  "Asia/Seoul":"KST-9",
+  "Asia/Shanghai":"CST-8",
+  "Asia/Singapore":"<+08>-8",
+  "Asia/Srednekolymsk":"<+11>-11",
+  "Asia/Taipei":"CST-8",
+  "Asia/Tashkent":"<+05>-5",
+  "Asia/Tbilisi":"<+04>-4",
+  "Asia/Tehran":"<+0330>-3:30",
+  "Asia/Thimphu":"<+06>-6",
+  "Asia/Tokyo":"JST-9",
+  "Asia/Tomsk":"<+07>-7",
+  "Asia/Ulaanbaatar":"<+08>-8",
+  "Asia/Urumqi":"<+06>-6",
+  "Asia/Ust-Nera":"<+10>-10",
+  "Asia/Vientiane":"<+07>-7",
+  "Asia/Vladivostok":"<+10>-10",
+  "Asia/Yakutsk":"<+09>-9",
+  "Asia/Yangon":"<+0630>-6:30",
+  "Asia/Yekaterinburg":"<+05>-5",
+  "Asia/Yerevan":"<+04>-4",
+  "Atlantic/Azores":"<-01>1<+00>,M3.5.0/0,M10.5.0/1",
+  "Atlantic/Bermuda":"AST4ADT,M3.2.0,M11.1.0",
+  "Atlantic/Canary":"WET0WEST,M3.5.0/1,M10.5.0",
+  "Atlantic/Cape_Verde":"<-01>1",
+  "Atlantic/Faroe":"WET0WEST,M3.5.0/1,M10.5.0",
+  "Atlantic/Madeira":"WET0WEST,M3.5.0/1,M10.5.0",
+  "Atlantic/Reykjavik":"GMT0",
+  "Atlantic/South_Georgia":"<-02>2",
+  "Atlantic/St_Helena":"GMT0",
+  "Atlantic/Stanley":"<-03>3",
+  "Australia/Adelaide":"ACST-9:30ACDT,M10.1.0,M4.1.0/3",
+  "Australia/Brisbane":"AEST-10",
+  "Australia/Broken_Hill":"ACST-9:30ACDT,M10.1.0,M4.1.0/3",
+  "Australia/Currie":"AEST-10AEDT,M10.1.0,M4.1.0/3",
+  "Australia/Darwin":"ACST-9:30",
+  "Australia/Eucla":"<+0845>-8:45",
+  "Australia/Hobart":"AEST-10AEDT,M10.1.0,M4.1.0/3",
+  "Australia/Lindeman":"AEST-10",
+  "Australia/Lord_Howe":"<+1030>-10:30<+11>-11,M10.1.0,M4.1.0",
+  "Australia/Melbourne":"AEST-10AEDT,M10.1.0,M4.1.0/3",
+  "Australia/Perth":"AWST-8",
+  "Australia/Sydney":"AEST-10AEDT,M10.1.0,M4.1.0/3",
+  "Europe/Amsterdam":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Andorra":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Astrakhan":"<+04>-4",
+  "Europe/Athens":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Belgrade":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Berlin":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Bratislava":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Brussels":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Bucharest":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Budapest":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Busingen":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Chisinau":"EET-2EEST,M3.5.0,M10.5.0/3",
+  "Europe/Copenhagen":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Dublin":"IST-1GMT0,M10.5.0,M3.5.0/1",
+  "Europe/Gibraltar":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Guernsey":"GMT0BST,M3.5.0/1,M10.5.0",
+  "Europe/Helsinki":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Isle_of_Man":"GMT0BST,M3.5.0/1,M10.5.0",
+  "Europe/Istanbul":"<+03>-3",
+  "Europe/Jersey":"GMT0BST,M3.5.0/1,M10.5.0",
+  "Europe/Kaliningrad":"EET-2",
+  "Europe/Kiev":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Kirov":"MSK-3",
+  "Europe/Lisbon":"WET0WEST,M3.5.0/1,M10.5.0",
+  "Europe/Ljubljana":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/London":"GMT0BST,M3.5.0/1,M10.5.0",
+  "Europe/Luxembourg":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Madrid":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Malta":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Mariehamn":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Minsk":"<+03>-3",
+  "Europe/Monaco":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Moscow":"MSK-3",
+  "Europe/Oslo":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Paris":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Podgorica":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Prague":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Riga":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Rome":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Samara":"<+04>-4",
+  "Europe/San_Marino":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Sarajevo":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Saratov":"<+04>-4",
+  "Europe/Simferopol":"MSK-3",
+  "Europe/Skopje":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Sofia":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Stockholm":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Tallinn":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Tirane":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Ulyanovsk":"<+04>-4",
+  "Europe/Uzhgorod":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Vaduz":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Vatican":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Vienna":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Vilnius":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Volgograd":"MSK-3",
+  "Europe/Warsaw":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Zagreb":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Europe/Zaporozhye":"EET-2EEST,M3.5.0/3,M10.5.0/4",
+  "Europe/Zurich":"CET-1CEST,M3.5.0,M10.5.0/3",
+  "Indian/Antananarivo":"EAT-3",
+  "Indian/Chagos":"<+06>-6",
+  "Indian/Christmas":"<+07>-7",
+  "Indian/Cocos":"<+0630>-6:30",
+  "Indian/Comoro":"EAT-3",
+  "Indian/Kerguelen":"<+05>-5",
+  "Indian/Mahe":"<+04>-4",
+  "Indian/Maldives":"<+05>-5",
+  "Indian/Mauritius":"<+04>-4",
+  "Indian/Mayotte":"EAT-3",
+  "Indian/Reunion":"<+04>-4",
+  "Pacific/Apia":"<+13>-13",
+  "Pacific/Auckland":"NZST-12NZDT,M9.5.0,M4.1.0/3",
+  "Pacific/Bougainville":"<+11>-11",
+  "Pacific/Chatham":"<+1245>-12:45<+1345>,M9.5.0/2:45,M4.1.0/3:45",
+  "Pacific/Chuuk":"<+10>-10",
+  "Pacific/Easter":"<-06>6<-05>,M9.1.6/22,M4.1.6/22",
+  "Pacific/Efate":"<+11>-11",
+  "Pacific/Enderbury":"<+13>-13",
+  "Pacific/Fakaofo":"<+13>-13",
+  "Pacific/Fiji":"<+12>-12",
+  "Pacific/Funafuti":"<+12>-12",
+  "Pacific/Galapagos":"<-06>6",
+  "Pacific/Gambier":"<-09>9",
+  "Pacific/Guadalcanal":"<+11>-11",
+  "Pacific/Guam":"ChST-10",
+  "Pacific/Honolulu":"HST10",
+  "Pacific/Kiritimati":"<+14>-14",
+  "Pacific/Kosrae":"<+11>-11",
+  "Pacific/Kwajalein":"<+12>-12",
+  "Pacific/Majuro":"<+12>-12",
+  "Pacific/Marquesas":"<-0930>9:30",
+  "Pacific/Midway":"SST11",
+  "Pacific/Nauru":"<+12>-12",
+  "Pacific/Niue":"<-11>11",
+  "Pacific/Norfolk":"<+11>-11<+12>,M10.1.0,M4.1.0/3",
+  "Pacific/Noumea":"<+11>-11",
+  "Pacific/Pago_Pago":"SST11",
+  "Pacific/Palau":"<+09>-9",
+  "Pacific/Pitcairn":"<-08>8",
+  "Pacific/Pohnpei":"<+11>-11",
+  "Pacific/Port_Moresby":"<+10>-10",
+  "Pacific/Rarotonga":"<-10>10",
+  "Pacific/Saipan":"ChST-10",
+  "Pacific/Tahiti":"<-10>10",
+  "Pacific/Tarawa":"<+12>-12",
+  "Pacific/Tongatapu":"<+13>-13",
+  "Pacific/Wake":"<+12>-12",
+  "Pacific/Wallis":"<+12>-12",
+
+  "Etc/UTC":"UTC0",
+  "Etc/GMT":"GMT0",
+  "Etc/GMT+1":"<-01>1",
+  "Etc/GMT+2":"<-02>2",
+  "Etc/GMT+3":"<-03>3",
+  "Etc/GMT+4":"<-04>4",
+  "Etc/GMT+5":"<-05>5",
+  "Etc/GMT+6":"<-06>6",
+  "Etc/GMT+7":"<-07>7",
+  "Etc/GMT+8":"<-08>8",
+  "Etc/GMT+9":"<-09>9",
+  "Etc/GMT+10":"<-10>10",
+  "Etc/GMT+11":"<-11>11",
+  "Etc/GMT+12":"<-12>12",
+  "Etc/GMT-1":"<+01>-1",
+  "Etc/GMT-2":"<+02>-2",
+  "Etc/GMT-3":"<+03>-3",
+  "Etc/GMT-4":"<+04>-4",
+  "Etc/GMT-5":"<+05>-5",
+  "Etc/GMT-6":"<+06>-6",
+  "Etc/GMT-7":"<+07>-7",
+  "Etc/GMT-8":"<+08>-8",
+  "Etc/GMT-9":"<+09>-9",
+  "Etc/GMT-10":"<+10>-10",
+  "Etc/GMT-11":"<+11>-11",
+  "Etc/GMT-12":"<+12>-12",
+  "Etc/GMT-13":"<+13>-13",
+  "Etc/GMT-14":"<+14>-14",
+  "Etc/Zulu":"UTC0"
+}