DAY_OF_YEAR Function

Returns an array of integers containing the day of the year for each date in a Date/Time variable.

Usage

result = DAY_OF_YEAR(dt_var)

Input Parameters

dt_var — A Date/Time variable.

Returned Value

result — An array of integers representing the day of the year for each date in the input variable.

Keywords

None.

Discussion

The result falls in a range between 1 and 365 (or 366 if it is a leap year).

Example

; Create a Date/Time variable.

date = STR_TO_DT('07-01-2000', Date_Fmt=1)

daynumber = DAY_OF_YEAR(date)

PRINT, daynumber

; PV-WAVE prints: 183