Java TimeZone Usage isSameDayOfMillis(final long ms1, final long ms2)

Description

is Same Day Of Millis

License

Apache License

Declaration

public static boolean isSameDayOfMillis(final long ms1, final long ms2) 

Method Source Code

//package com.java2s;
/**//from   w w  w  .  j av a 2  s  .  c  o  m
 * Copyright 2013-present febit.org (support@febit.org)
 *
 * 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.TimeZone;

public class Main {
    public static final long MILLIS_IN_DAY = 1000L * 60 * 60 * 24;

    public static boolean isSameDayOfMillis(final long ms1, final long ms2) {
        final long interval = ms1 - ms2;
        return interval < MILLIS_IN_DAY && interval > -1L * MILLIS_IN_DAY && toDay(ms1) == toDay(ms2);
    }

    private static long toDay(long millis) {
        return (millis + TimeZone.getDefault().getRawOffset()) / MILLIS_IN_DAY;
    }
}

Related

1. createTaiTimeZone(int leapSecs)
2. datePlusDays(Date date, int days)
3. findTimeZoneInDate(String date)
4. isInEasternEightZones()
5. isKeepTimeZone(TimeZone tz)
6. isTimeZoneDisponible(TimeZone timeZone)
7. isValidTimeZone(final String timeZone)
8. isValidTimezone(String tz)
9. localeToTimeZone(Locale locale)