diff --git a/README.md b/README.md
index 25c71863..a57e1edc 100644
--- a/README.md
+++ b/README.md
@@ -267,6 +267,7 @@ Some extra details:
    VmaxBatt     custom         
    VminBatt     custom          
    tempOffs     custom
+     defGMT     custom     
 ```          
 
 **kset KEYNAME**: Set user custom settings:
diff --git a/lib/gps/timezone.hpp b/lib/gps/timezone.hpp
index 2b9a6709..a380b818 100644
--- a/lib/gps/timezone.hpp
+++ b/lib/gps/timezone.hpp
@@ -9,14 +9,7 @@
 #ifndef TIMEZONE_HPP
 #define TIMEZONE_HPP
 
-// Set these values to the offset of your timezone from GMT
-
-static const int32_t          zone_hours   =  1L; 
-static const int32_t          zone_minutes =  0L; // usually zero
-static const NeoGPS::clock_t  zone_offset  =
-                              zone_hours   * NeoGPS::SECONDS_PER_HOUR +
-                              zone_minutes * NeoGPS::SECONDS_PER_MINUTE;
-
+extern int32_t defGMT;          // Default GMT offset
 
 // Uncomment one DST changeover rule, or define your own:
 
@@ -51,6 +44,11 @@ static void adjustTime( NeoGPS::time_t & dt )
 {
   NeoGPS::clock_t seconds = dt; // convert date/time structure to seconds
 
+  // Set these values to the offset of your timezone from GMT
+  static const int32_t          zone_minutes =  0L; // usually zero
+  static const NeoGPS::clock_t  zone_offset = (int32_t)defGMT * NeoGPS::SECONDS_PER_HOUR +
+                                              zone_minutes * NeoGPS::SECONDS_PER_MINUTE;
+
   #ifdef CALCULATE_DST
     //  Calculate DST changeover times once per reset and year!
     static NeoGPS::time_t  changeover;
diff --git a/lib/preferences/preferences-keys.h b/lib/preferences/preferences-keys.h
index 88d13d00..09a1d110 100644
--- a/lib/preferences/preferences-keys.h
+++ b/lib/preferences/preferences-keys.h
@@ -29,4 +29,5 @@
   X(KVMAX_BATT, "VmaxBatt", FLOAT)       \
   X(KVMIN_BATT, "VminBatt", FLOAT)       \
   X(KTEMP_OFFS, "tempOffs", INT)         \
+  X(KGMT_OFFS, "defGMT", INT)            \
   X(KCOUNT, "KCOUNT", UNKNOWN)
diff --git a/lib/settings/settings.cpp b/lib/settings/settings.cpp
index 2adfeea2..7a797369 100644
--- a/lib/settings/settings.cpp
+++ b/lib/settings/settings.cpp
@@ -31,6 +31,7 @@ uint8_t zoom = 0;           // Actual Zoom Level
 bool isMapRotation = true;    // Map Compass Rotation
 uint8_t defaultZoom = 0;      // Default Zoom Value
 uint8_t defBright = 255;      // Default Brightness
+int32_t defGMT = 1;           // Default GMT offset
 bool showMapCompass = true;   // Compass in map screen
 bool isCompassRot = true;     // Compass rotation in map screen
 bool showMapSpeed = true;     // Speed in map screen
@@ -81,6 +82,7 @@ void loadPreferences()
   speedPosY = cfg.getInt(PKEYS::KSPEED_Y, TFT_HEIGHT - 130);
   isVectorMap = cfg.getBool(PKEYS::KMAP_VECTOR, false);
   defBright = cfg.getUInt(PKEYS::KDEF_BRIGT, 254);
+  defGMT = cfg.getInt(PKEYS::KGMT_OFFS, 1);
   if (isVectorMap)
   {
     minZoom = 1;