Here you can find the source of adjustHour(Date dt, int hour)
public static Date adjustHour(Date dt, int hour)
//package com.java2s; /*//ww w . ja v a 2 s. c om * ? Copyright Tek Counsel LLC 2013 * * 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.Calendar; import java.util.Date; public class Main { public static Date adjustHour(Date dt, int hour) { Calendar cal = Calendar.getInstance(); cal.setTime(dt); cal.add(Calendar.HOUR, hour); return cal.getTime(); } }