Android Day Get fromJulianDay(double julianDay)

Description

Creates a date-time from a Julian Day.

License

Apache License

Parameter

Parameter	Description
julianDay	the Julian Day

Return

the epoch millis from 1970-01-01Z

Declaration

public static final long fromJulianDay(double julianDay) 

Method Source Code

//package com.java2s;
/*/*from ww w  . j a  va 2  s .  co  m*/
 *  Copyright 2001-2012 Stephen Colebourne
 *
 *  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.
 */

public class Main {
    /**
     * Creates a date-time from a Julian Day.
     * <p>
     * Returns the {@code DateTime} object equal to the specified Julian Day.
     * 
     * @param julianDay  the Julian Day
     * @return the epoch millis from 1970-01-01Z
     * @since 2.2
     */
    public static final long fromJulianDay(double julianDay) {
        double epochDay = julianDay - 2440587.5d;
        return (long) (epochDay * 86400000d);
    }
}

Related

1. getJulianDay(Calendar cal)
2. getIntervalDays(String sd, String ed)
3. isBirthday(Calendar cal)
4. getBeforeDate(Date date, int days)
5. getAfterDate(Date date, int days)
6. getTimeNextDay(long lTimeMillis)
7. getDaysTo(Date date)
8. intDayToString(int day)
9. leapDays(int y)