cal_to_jd
cal_to_jd
Converts from a supported calendar to Julian Day Count
int **cal_to_jd** int $calendar int $month int $day int $year
calculates the Julian day count
for a date in the specified .
Supported s are
,
,
and
.
cal_to_jd``calendar``calendar``CAL_GREGORIAN``CAL_JULIAN``CAL_JEWISH``CAL_FRENCH
calendar
Calendar to convert from, one of
,
,
or
.
CAL_GREGORIAN``CAL_JULIAN``CAL_JEWISH``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
A Julian Day number.
cal_from_jd``frenchtojd``gregoriantojd``jewishtojd``juliantojd``unixtojd