Java tutorial
//package com.java2s; import java.util.Calendar; import java.util.Date; public class Main { public static boolean IsDiferentDate(Date date1, Date date2) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date1); int daysInYear1 = calendar.get(Calendar.DAY_OF_YEAR); calendar = Calendar.getInstance(); calendar.setTime(date2); int daysInYear2 = calendar.get(Calendar.DAY_OF_YEAR); if (daysInYear1 != daysInYear2 || date1.getYear() != date2.getYear()) { return true; } return false; } }