The cal_to_jd() function converts a date in a specified calendar to Julian Day Count.The cal_to_jd() function calculates the Julian day count for a date in the specified calendar.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.
| Parameter | Description | |
|---|---|---|
| calendar | Required.Calendar to convert from. | |
| month | Required.Month as a number | |
| day | Required.Day as a number | |
| year | Required.Year as a number |