PHP - Function gregoriantojd()

Syntax

gregoriantojd ( $month, $day, $year );

Definition and Usage

This function Converts a Gregorian date to Julian Day Count. Valid Range for Gregorian Calendar 4714 B.C. to 9999 A.D.

Parameters

Sr.No	Parameter & Description
1	month(Required) The month as a number from 1 (for January) to 12 (for December)
2	day(Required) The day as a number from 1 to 31
3	year(Required) The year as a number between -4714 and 9999

Parameter & Description

month(Required)

The month as a number from 1 (for January) to 12 (for December)

day(Required)

The day as a number from 1 to 31

year(Required)

The year as a number between -4714 and 9999

Return Value

The julian day for the given gregorian date as an integer.

Example

Try out following example −

Live Demo

<?php
     $jd = gregoriantojd(1, 12, 1990);
   echo "$jd";
   print "\n";
   
   $gregorian = jdtogregorian($jd);
   echo "$gregorian";
   print "\n";
?>

This will produce the following result −

2447904 
1/12/1990

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