juliantojd | Functions | PHP

Converts a Julian Calendar date to Julian Day Count

Syntax

juliantojd(int $month, int $day, int $year): int

month

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

day

The day as a number from 1 to 31.

year

The year as a number between -4713 and 9999.

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

<?

$month = 1;
$day = 1;
$year = 1;

$return = juliantojd($month, $day, $year);

echo $return;

?>