Here you can find the source of getTimeByOffset(Date reqDate, int offset)
public static Date getTimeByOffset(Date reqDate, int offset)
//package com.java2s; /**/* w w w. j ava 2 s . c o m*/ * Copyright 2015 Smart Community Lab * * 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 getTimeByOffset(Date reqDate, int offset) { Date result; Calendar cal = Calendar.getInstance(); cal.setTime(reqDate); cal.add(Calendar.HOUR, offset); result = cal.getTime(); return result; } }