Java tutorial
//package com.java2s; import java.text.ParseException; import java.text.SimpleDateFormat; public class Main { public static long date2millis(String pattern, String date) { SimpleDateFormat sdf = new SimpleDateFormat(pattern); long millis = 0L; try { millis = sdf.parse(date).getTime(); } catch (ParseException e) { e.printStackTrace(); } return millis; } }