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1. www.w3schools.com › php › func_cal_cal_to_jdPHP cal_to_jd () Function - W3Schools

   www.w3schools.com › php › func_cal_cal_to_jd

   Definition and Usage The cal_to_jd () function converts a date in a specified calendar to Julian Day Count.

2. www.php.net › manual › enPHP: cal_to_jd - Manual

   www.php.net › manual › en

   cal_to_jd () calculates the Julian day count for a date in the specified calendar. Supported calendar s are CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH and CAL_FRENCH.

3. www.geeksforgeeks.org › php › php-cal_to_jd-functionPHP | cal_to_jd() Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-cal_to_jd-function

   Jul 11, 2025 · The cal_to_jd () function is an inbuilt function in PHP which is used to converts a specified date into Julian Day Count. The cal_to_jd () function calculates the Julian day count for a date in the specified calendar.

4. fr.w3docs.com › learn-php › cal-to-jdcal_to_jd () | W3Docs

   fr.w3docs.com › learn-php › cal-to-jd

   PHP fournit la fonction cal_to_jd () pour convertir des dates d'un système de calendrier spécifique en un compte de jours juliens. Pour le calendrier grégorien, vous pouvez utiliser la constante CAL_GREGORIAN.

5. www.gladir.com › CODER › PHPLangage de programmation - PHP - Référence de procédures et ...

   www.gladir.com › CODER › PHP

   Gladir.com - Manuel pour le langage de programmation PHP. CAL_TO_JD : Cette fonction permet d'effectuer la conversion d'un format de calendrier en nombre de jour Julien.

6. frost.cs.uchicago.edu › ref › phpConverts from a supported calendar to Julian Day Count

   frost.cs.uchicago.edu › ref › php

   cal_to_jd () calculates the Julian day count for a date in the specified calendar. Supported calendar s are CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH and CAL_FRENCH.

7. php.joaquinfernandez.net › cal-to-jdcal_to_jd - PHP Manual

   php.joaquinfernandez.net › cal-to-jd

   cal_to_jd () calculates the Julian day count for a date in the specified calendar. Supported calendar s are CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH and CAL_FRENCH.