Reference Guide > D Routines > DAY_OF_WEEK Function
  

DAY_OF_WEEK Function
Returns an array of integers containing the day of the week for each date in a Date/Time variable.
Usage
result = DAY_OF_WEEK(dt_var)
Input Parameters
dt_var — A Date/Time variable.
Returned Value
result — The day of the week expressed as an integer. Day 0 is Sunday and day 6 is Saturday.
Keywords
None.
Example
Assume that you have a Date/Time variable, date, for April 13, 1992. To find out which day of the week this date is, enter:
; Create a Date/Time variable for April 13, 1992. 
date = STR_TO_DT('04-13-1992', Date_Fmt=1)
 
; Find the day of the week for this date.
day = DAY_OF_WEEK(date)
PRINT, day
; PV-WAVE prints: 1
; This indicates the day is a Monday.
See Also
DAY_NAME,    DAY_OF_YEAR,    MONTH_NAME
For more information on Date/Time data, see the PV‑WAVE User’s Guide.

Version 2017.0
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