cal_to_jd (PHP 4 >= 4.1.0) cal_to_jd -- Converts from a supported calendar to Julian Day Count Descriptionint 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.
See also cal_to_jd().
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