Here you can find the source of getGmtTimeZone()
public static TimeZone getGmtTimeZone()
//package com.java2s; /*/*from w w w. j av a 2 s . c o m*/ * Copyright (C) 2011-2012 Inaki Ortiz de Landaluce Saiz * * This program is free software: you can redistribute it * and/or modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, either * version 3 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be * useful, but WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/> */ import java.util.TimeZone; public class Main { /** * Returns the GMT time zone * * @return the GMT time zone */ public static TimeZone getGmtTimeZone() { return TimeZone.getTimeZone("GMT"); } }