The INTEGER-OF-DATE function converts a date in the Gregorian calendar from standard date form (YYYYMMDD) to integer date form. The type of this function is integer.
FUNCTION INTEGER-OF-DATE (argument-1)
must be an integer of the form
, whose value is obtained from the calculation (YYYY
* 10,000) + (MM
* 100) +
- YYYY represents the year in the Gregorian calendar. It must be an integer greater than 1600.
- MM represents a month, and must be a positive integer less than 13.
- DD represents a day, and must be a positive integer less than 32 provided that it is valid for the specified month and year
The returned value is an integer that is the number of days the date represented by
argument-1 succeeds December 31, 1600 in the Gregorian calendar.