The INTEGER-OF-DAY Function

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.

General Format

Arguments

Argument-1 must be an integer of the form YYYYDDD, whose value is obtained from the calculation:
(YYYY * 1000) + DDD.
1. YYYY represents the year in the Gregorian calendar. It must be an integer greater than 1600.
2. 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.

Returned Values

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.