PHP 手册
上一页下一页


cal_to_jd

(PHP 4 >= 4.1.0, PHP 5)

cal_to_jd -- Converts from a supported calendar to Julian Day Count

说明

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.

参数

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

返回值

A Julian Day number.

参见

cal_from_jd()
frenchtojd()
gregoriantojd()
jewishtojd()
juliantojd()
unixtojd()



上一页起始页下一页
cal_info上一级easter_date