DCL:MISC£±:DATELIB : Handling of Dates *#:Explanation of Functions
Determines the weekday number.
IWEEK1 : Determines the weekday number corresponding to a Type 1 date.
IWEEK2 : Determines the weekday number corresponding to a Type 2 date.
IWEEK3 : Determines the weekday number corresponding to a Type 3 date.
IWEEK1(IDATE)
IWEEK2(IY,ITD)
IWEEK3(IY,IM,ID)
IDATE (I) Type 1 date. IY (I) Year. IM (I) Month. ID (I) Day. ITD (I) Serially-counted day. IWEEK1 (I) Value of function that gives the weekday number corresponding to a Type 1 date. IWEEK2 (I) Value of function that gives the weekday number corresponding to a Type 2 date. IWEEK3 (I) Value of function that gives the weekday number corresponding to a Type 3 date.