Fix for Timezone.

WLAN_Thermometer.ino

@@ -3,7 +3,7 @@
 //
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 //#define _WIFIMGR_LOGLEVEL_  4
-//#define DEBUG               1
+#define DEBUG               1
 
 #include <WiFi.h>
 #include <WiFiManager.h>
@@ -146,7 +146,7 @@ void setup()
 
   lcd.setCursor(0, 3);
   lcd.print("Getting time...");
-  DateTime.setTimeZone("UTC+1");
+  DateTime.setTimeZone("CET-2");
   DateTime.setServer(NTP_SERVER);
   DateTime.begin(NTP_TIMEOUT);
   /* while (!DateTime.isTimeValid())
@@ -200,7 +200,7 @@ void loop()
   if (!DateTime.isTimeValid() && millis() - 10000 > next_time_check)
   {
     next_time_check = millis();
-    DateTime.setTimeZone("UTC+1");
+    DateTime.setTimeZone("CET-2");
     DateTime.forceUpdate();
     if (is_wintertime(DateTime.getTime()) == false)
       add_summertime = 1;