Java Date Convert convertLocalDateToUTCDate(Date localDate)

Description

convert Local Date To UTC Date

License

Apache License

Declaration

public static Date convertLocalDateToUTCDate(Date localDate) 

Method Source Code

//package com.java2s;
/*/*from  www . j  a va  2  s  .  co  m*/
 * Copyright 2016 Saxon State and University Library Dresden (SLUB)
 *
 * 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;
import java.util.TimeZone;

public class Main {
    public static Date convertLocalDateToUTCDate(Date localDate) {
        // figure out the time zone offset of this machine (in millisecs)
        Calendar cal = Calendar.getInstance();
        int tzOffset = cal.get(Calendar.ZONE_OFFSET);
        // ...and account for daylight savings time, if applicable
        TimeZone tz = cal.getTimeZone();
        if (tz.inDaylightTime(localDate)) {
            tzOffset += cal.get(Calendar.DST_OFFSET);
        }
        // now we have UTF offset in millisecs... so subtract it from
        // localDate.millisecs
        // and return a new Date object.
        Date UTCDate = new Date();
        UTCDate.setTime(localDate.getTime() - tzOffset);
        return UTCDate;
    }
}

Related

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2. convertInputDateToString(Date inputDate)
3. convertInt2Date(int date)
4. convertIntToDate(final int iDate)
5. convertIntToDate(final int iDate, final StringBuilder verbatimDate)
6. convertLocalToGMT(int[] dateTime)
7. convertLocalToTimezone(Date original, String targetTimezoneId)
8. convertsDateToGMTTimezone(Date date)
9. convertSistemDependentDateToDesiredTimeZone(final Date sistemDependentDate, TimeZone desiredTimeZone)