The INTEGER-OF-DAY function converts a date in the Gregorian calendar from Julian date form (YYYYDDD) to integer date form.
The type of this function is integer.
- Argument-1 must be an integer of the form YYYYDDD, whose value is obtained from the calculation:
(YYYY * 1000) + DDD.
- YYYY represents the year in the Gregorian calendar. It must be an integer greater than 1600.
- DDD represents the day of the year. It must be a positive integer less than 367 provided that it is valid for the year specified.
- The returned value is an integer that is the number of days by which the date represented by argument-1 succeeds December
31, 1600, in the Gregorian calendar.