Here you can find the source of isSameDay(final Date date1, final Date date2)
public static boolean isSameDay(final Date date1, final Date date2)
//package com.java2s; /**/* w ww .jav a 2 s . c o m*/ * Copyright 2013 Theodor Costache * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ import java.util.*; public class Main { public static boolean isSameDay(final Date date1, final Date date2) { return stripTime(date1).equals(stripTime(date2)); } public static Date stripTime(final Date date) { final Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); return calendar.getTime(); } }