Here you can find the source of getSecondsFromEpoch()
long
public static long getSecondsFromEpoch()
//package com.java2s; /*//from w w w . jav a 2 s . co m This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ public class Main { /** * Get the current timestamp in seconds (from the epoch). * * @return a <code>long</code> */ public static long getSecondsFromEpoch() { long now = System.currentTimeMillis() / 1000; return now; } }