Java TimeZone getTimezoneOffsetInHours(Date date)

Description

Gets the timezone offset in hours.

License

Apache License

Parameter

Parameter	Description
date	the date

Return

the timezone offset in hours

Declaration

public static int getTimezoneOffsetInHours(Date date) 

Method Source Code

//package com.java2s;
/**//from w  w w.j  av a2  s. c  o  m
 * Copyright (C) 2007 Asterios Raptis
 *
 * 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 {
    /**
     * Gets the timezone offset in hours.
     *
     * @param date
     *            the date
     * @return the timezone offset in hours
     */
    public static int getTimezoneOffsetInHours(Date date) {
        int x = getTimezoneOffsetInMinutes(date);
        int inHours = x / 60;
        return inHours;
    }

    /**
     * Gets the timezone offset in minutes.
     *
     * @param date
     *            the date
     * @return the timezone offset in minutes
     */
    public static int getTimezoneOffsetInMinutes(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        int x = -(calendar.get(Calendar.ZONE_OFFSET) + calendar.get(Calendar.DST_OFFSET)) / (60 * 1000);
        return x;
    }
}

Related

1. getDateWithoutTimeZone(Date date)
2. getExcelSerialDayNumber(Date date, Locale locale, TimeZone timeZone)
3. getLocalTime( java.util.TimeZone localTimeZone, java.util.Date timestamp, java.util.TimeZone sourceTimeZone)
4. getTimezoneDate(String stateCode)
5. getTimeZoneOffset(Date d)
6. hasTimeComponent(Date date, TimeZone timeZone)
7. midnight(Date date, TimeZone tz)
8. monthOfYear(Date referenceDate, int month, TimeZone timeZone)
9. normalizeDate(Date date, TimeZone timeZone)