Java tutorial
//package com.java2s; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static int compareDates(String dateTime1, String dateTime2, String format) { // 0 is equal, < 0 if date1 is less than date2 try { SimpleDateFormat df = new SimpleDateFormat(format); Date date1 = df.parse(dateTime1); Date date2 = df.parse(dateTime2); return date1.compareTo(date2); } catch (ParseException e) { e.printStackTrace(); } return 0; } }