Convert time between timezone


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);
  }
}
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Date TimeZone:
  1. Available Time Zones
  2. Current TimeZone
  3. Canoncial Timezone string
  4. Convert time between timezone
  5. Convert Current Time to Another Time Zone
  6. Convert Japan date and time to your local timezone
  7. Get TimeZone by name(America/New_York)