[Issue #2] - Added timezone support with a list of support timezones

main.go

@@ -128,30 +128,31 @@ func main() {
 
   lastSecond := -1
 
+  // Remove static call before the loop, then in the loop:
   for {
     currentTime := time.Now().Add(timeOffset).UTC()
     currentSecond := currentTime.Second()
 
-    // Skip display refreshes if the second hasn't changed to save the i2c bus
     if currentSecond != lastSecond {
       lastSecond = currentSecond
 
-      // Alternate colon (:) with space ( ) every second
       timeSeperator := ":"
-      if currentSecond % 2 == 1 {
+      if currentSecond%2 == 1 {
         timeSeperator = " "
       }
 
-      // Create the awful time string before displaying it
-      timeStr := fmt.Sprintf("%02d%s%02d%s%02d UTC",
-        currentTime.Hour(), timeSeperator,
-        currentTime.Minute(), timeSeperator,
-        currentTime.Second())
+      // Dynamically determine DST vs Standard time for this second
+      loc, zoneName := ResolveTimezone(ActiveTimezone, currentTime)
+      localTime := currentTime.In(loc)
+
+      timeStr := fmt.Sprintf("%02d%s%02d%s%02d %s",
+        localTime.Hour(), timeSeperator,
+        localTime.Minute(), timeSeperator,
+        localTime.Second(),
+        zoneName)
 
       oled.ClearBuffer()
-      // Time
       tinyfont.WriteLine(oled, defaultFont, 8, 32, timeStr, white)
-      // IP Address
       tinyfont.WriteLine(oled, tinyFont, 0, 60, fmt.Sprintf("IP: %s", ipStr), white)
       oled.Display()
     }