PHP: gregoriantojd() function

Last update on October 08 2024 08:25:38 (UTC/GMT +8 hours)

Converts a Gregorian date to Julian Day Count

The gregorianToJD() function converts a Gregorian date to Julian day count.

Version:

(PHP 4 and above)

Syntax:

gregoriantojd(month, day, year)

Parameter:

Name	Description	Required / Optional	Type
month	1 to 12 ( i.e. January to December).	Required	Integer.
day	The day as a number between 1 to 31.	Required	Integer.
year	The year as a number between -4714 to 9999.	Required	Integer.

Return value

The Julian day for the given Gregorian date.

Value Type: Integer.

Example:

<?php
echo gregoriantojd(4,21,1976).'<br>';
echo gregoriantojd(10,3,2076);
?>

Sample Output:

2442890
2479580

See also

PHP Function Reference

Previous: FrenchToJD
Next: JDDayOfWeek