import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;
public class Main {
public static void main(String[] argv) throws Exception {
Calendar local = Calendar.getInstance();
Calendar japanCal = new GregorianCalendar(TimeZone.getTimeZone("Japan"));
japanCal.setTimeInMillis(local.getTimeInMillis());
int hour = japanCal.get(Calendar.HOUR); // 3
int minutes = japanCal.get(Calendar.MINUTE); // 0
int seconds = japanCal.get(Calendar.SECOND); // 0
boolean am = japanCal.get(Calendar.AM_PM) == Calendar.AM; // true
}
}