Here you can find the source of getUTCTimeZone()
public static TimeZone getUTCTimeZone()
//package com.java2s; /*/*from w w w. j a v a 2 s. co m*/ * Copyright (C) 2008-2018 Ping Identity Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License (GPLv2 only) * or the terms of the GNU Lesser General Public License (LGPLv2.1 only) * as published by the Free Software Foundation. * * 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 General Public License * along with this program; if not, see <http://www.gnu.org/licenses>. */ import java.util.TimeZone; public class Main { /** * The {@code TimeZone} object that represents the UTC (universal coordinated * time) time zone. */ private static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone("UTC"); /** * Retrieves a {@code TimeZone} object that represents the UTC (universal * coordinated time) time zone. * * @return A {@code TimeZone} object that represents the UTC time zone. */ public static TimeZone getUTCTimeZone() { return UTC_TIME_ZONE; } }