Java tutorial
import java.util.Calendar; import java.util.GregorianCalendar; import java.util.TimeZone; public class Main { public static void main(String[] args) { Calendar localTime = Calendar.getInstance(); localTime.set(Calendar.HOUR, 17); localTime.set(Calendar.MINUTE, 15); localTime.set(Calendar.SECOND, 20); int hour = localTime.get(Calendar.HOUR); int minute = localTime.get(Calendar.MINUTE); int second = localTime.get(Calendar.SECOND); System.out.printf("Local time : %02d:%02d:%02d\n", hour, minute, second); Calendar germanyTime = new GregorianCalendar(TimeZone.getTimeZone("Germany")); germanyTime.setTimeInMillis(localTime.getTimeInMillis()); hour = germanyTime.get(Calendar.HOUR); minute = germanyTime.get(Calendar.MINUTE); second = germanyTime.get(Calendar.SECOND); System.out.printf("Germany time: %02d:%02d:%02d\n", hour, minute, second); } }