The jdtogregorian() function is a built-in function which converts a
Julian Day Integer to
Gregorian date. The function accepts a Julian Day integer and returns the converted Gregorian Date in
$month / $day / $year.
Syntax:
jdtogregorian($jd)
Parameters: The function accepts one mandatory parameter
$jd which specifies the Julian day.
Return Value: The function returns the Gregorian date. The return format of the date is
$month / $day / $year.
Examples:
Input : 2458209
Output : 3/31/2018
Input : 2458236
Output : 4/27/2018
Below programs illustrate the jdtogregorian() function.
Program 1: The program below illustrate the use of jdtogregorian() function.
Output:
3/31/2018
Program 2: The program below shows the output when an invalid Julian day integer is passed.
Output:
0/0/0
Reference:
https://www.php.net/manual/en/function.jdtogregorian.php