Java tutorial
//package com.java2s; //License from project: Open Source License import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Locale; import java.util.TimeZone; public class Main { public static String getUTCDateTimeFromLocalDateTime(String localTimeStr) { java.util.Date nowDate = null; String UTCDate = null; SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.getDefault()); try { nowDate = format.parse(localTimeStr); UTCDate = format.format(nowDate.getTime() - TimeZone.getDefault().getRawOffset()); } catch (ParseException e) { e.printStackTrace(); } return UTCDate; } }