Logo

Calendar Functions

cal_days_in_month cal_from_jd cal_info cal_to_jd easter_date easter_days frenchtojd gregoriantojd jddayofweek jdmonthname jdtofrench jdtogregorian jdtojewish jdtojulian jdtounix jewishtojd juliantojd unixtojd

unixtojd

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Convert Unix timestamp to Julian Day
<?php unixtojd(?int $timestamp = null): int|false