cal_to

(PHP 4 >= 4.1.0)

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)

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