PHP. Руководство по PHP. 2005
cal_to_jd
cal_to_jd
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.
See also cal_from_jd().
cal_info
easter_date
