cal_to_jd
(PHP 4 >= 4.1.0, PHP 5)
cal_to_jd — Converts from a supported calendar to Julian Day Count
Description
int cal_to_jd ( int $calendar , int $month , int $day , int $year )
Parameters
- calendar
-
Calendar to convert from, one of CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH or CAL_FRENCH.
- month
-
The month as a number, the valid range depends on the calendar
- day
-
The day as a number, the valid range depends on the calendar
- year
-
The year as a number, the valid range depends on the calendar
Return Values
A Julian Day number.
See Also
- cal_from_jd() - Converts from Julian Day Count to a supported calendar
- frenchtojd() - Converts a date from the French Republican Calendar to a Julian Day Count
- gregoriantojd() - Converts a Gregorian date to Julian Day Count
- jewishtojd() - Converts a date in the Jewish Calendar to Julian Day Count
- juliantojd() - Converts a Julian Calendar date to Julian Day Count
- unixtojd() - Convert Unix timestamp to Julian Day
PHP General