Standard Library procedure that returns a string array or string constant containing the name of the day of the week for each day in a Date/Time variable.

dt_var — A date/time variable.

result — A string array or string constant containing the name of the day of the week for each input Date/Time value.

None.

The names of the days of the week are string values taken from the system variable !Day_Names.

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

day = DAY_NAME(date) 

PRINT, day 

; PV-WAVE prints: Saturday 

DAY_OF_WEEK,    DAY_OF_YEAR,    MONTH_NAME

For more information on Date/Time data, see the PV‑WAVE User’s Guide.