DateToJulian

Function:

Converts a calendar date to a Julian day number.

Syntax:

DateToJulian(<Calendar Date>)

Example:

DateToJulian("12/24/1999")

Notes:

The Julian day numbers used in this function are sequential starting with 1 on January 1 in the year 1. Note that this is not the same convention used in the Julian day system used by astronomers. See example script 20.