Java Day End getTotalDays(Date startDate, Date endDate)

Description

Provides the total difference in days between the two dates with accuracy taking for example time zones into consideration.

License

Open Source License

Parameter

Parameter	Description
startDate	a parameter
endDate	a parameter

Return

The exact number of days between the two dates.

Declaration

public static long getTotalDays(Date startDate, Date endDate) 

Method Source Code

//package com.java2s;
/*/*w ww  . j av  a  2s.  c  o  m*/
 * iteraplan is an IT Governance web application developed by iteratec, GmbH
 * Copyright (C) 2004 - 2014 iteratec, GmbH
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY ITERATEC, ITERATEC DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 *
 * You can contact iteratec GmbH headquarters at Inselkammerstr. 4
 * 82008 Munich - Unterhaching, Germany, or at email address info@iteratec.de.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "iteraplan" logo. If the display of the logo is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by iteraplan".
 */

import java.util.Calendar;
import java.util.Date;

public class Main {
    /**
     * Provides the total difference in days between the two dates with accuracy taking for example
     * time zones into consideration.
     * 
     * @param startDate
     * @param endDate
     * @return The exact number of days between the two dates.
     */
    public static long getTotalDays(Date startDate, Date endDate) {

        long millisecsPerDay = 86400000;
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(startDate);
        Calendar endCalender = Calendar.getInstance();
        endCalender.setTime(endDate);

        double endL = endCalender.getTimeInMillis()
                + endCalender.getTimeZone().getOffset(endCalender.getTimeInMillis());
        double startL = startCalendar.getTimeInMillis()
                + startCalendar.getTimeZone().getOffset(startCalendar.getTimeInMillis());

        return Math.round((endL - startL) / millisecsPerDay);
    }
}

Related

1. getStartAndEndDate(Date d)
2. getStartOrEndTime(Date date, int flag)
3. getSubSeconds(Date minuendDate, Date subDate)
4. getTimeBeetweenDates(Date d1, Date d2, int timeType)
5. getTimeInterval(Date startDate, Date endDate)
6. getTotalMonths(final Date startDateToCheck, final Date endDateToCheck)
7. getTrendTime(Date date)
8. getWorkingDays(Calendar start, Calendar end, final Long[] holidays)
9. getWorkingDaysBetweenTwoDates(Date startDate, Date endDate)