Here you can find the source of toISO8601(Date date)
public static String toISO8601(Date date)
//package com.java2s; /**/* ww w.ja v a 2s . c om*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.text.SimpleDateFormat; import java.util.Date; import java.util.TimeZone; public class Main { public static String toISO8601(Date date) { SimpleDateFormat df = new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ss'Z'"); TimeZone tz = TimeZone.getTimeZone("UTC"); df.setTimeZone(tz); return df.format(date); } }