Here you can find the source of dateFromUtc(long milliseconds)
public static final Date dateFromUtc(long milliseconds)
//package com.java2s; /*/*from ww w . ja v a2 s. co m*/ This file is part of Project MAXS. MAXS and its modules 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. MAXS 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 MAXS. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.TimeZone; public class Main { public static final Date dateFromUtc(long milliseconds) { Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC")); cal.setTimeInMillis(milliseconds); return cal.getTime(); } }