Example of SimpleTimeZone in Java

new SimpleTimeZone(int rawOffset, String ID)

package com.concretepage.util;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.SimpleTimeZone;
import java.util.TimeZone;
public class SimpleTimeZoneDemo {
    public static void main(String[] args) {
         String[] ids = TimeZone.getAvailableIDs(-6 * 60 * 60 * 1000);
         SimpleTimeZone stz = new SimpleTimeZone(-6 * 60 * 60 * 1000, ids[0]);
         stz.setStartRule(Calendar.MARCH, 1, Calendar.MONDAY, 3 * 60 * 60 * 1000);
         stz.setEndRule(Calendar.NOVEMBER, -1, Calendar.SUNDAY, 3 * 60 * 60 * 1000);
         System.out.println(stz.getDisplayName(Locale.ITALIAN));
         System.out.println(stz.getDisplayName(Locale.ENGLISH));
         System.out.println(stz.getDisplayName(Locale.FRANCE));
         //checks if given date is day light saving
         System.out.println(stz.inDaylightTime(new Date()));
         
         //use SimpleTimeZone with GregorianCalendar
         Calendar calendar = new GregorianCalendar(stz);
         Date trialTime = new Date();
         calendar.setTime(trialTime);
    }
}