Java tutorial
//package com.java2s; import java.util.Calendar; import java.util.Date; public class Main { public static boolean inSameDay(Date date1, Date Date2) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date1); int year1 = calendar.get(Calendar.YEAR); int day1 = calendar.get(Calendar.DAY_OF_YEAR); calendar.setTime(Date2); int year2 = calendar.get(Calendar.YEAR); int day2 = calendar.get(Calendar.DAY_OF_YEAR); return (year1 == year2) && (day1 == day2); } }