PHP cal_to_jd() Function

PHP Calendar Reference : Convert 20th of June, 2007 (Gregorian calendar) to Julian Day Count

Definition and Usage

The cal_to_jd() function converts a date in a specified calendar to Julian Day Count.

cal_to_jd(calendar,month,day,year);

Parameter	Description
calendar	Required. Specifies the calendar to convert from. Must be one of the following values: CAL_GREGORIAN CAL_JULIAN CAL_JEWISH CAL_FRENCH
month	Required. Specifies the month as a number
day	Required. Specifies the day as a number
year	Required. Specifies the year as a number

Return Value:	Returns a Julian Day number
PHP Version:	4.1+

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