JulianToJD() function in PHP

The JulianToJD() function converts a Julian date to a Julian day count. It returns a Julian day number.

Syntax

juliantojd(month, day, year)

Parameters

• month − Specifies the month as a number from 1 to 13

• day − Specifies the day as a number from 1 to 30

• year − Specifies the year as a number between 1 and 9999

Return

The juliantojd() function returns a Julian day number.

Example

The following is an example −

<?php
   $res = juliantojd(9,29,2018);
   echo $res . "<br>";
   echo jdtojulian($res);
?>

Output

The following is the output −

2458404
9/29/2018