I'm not sure what kind of interval you are trying to create, but if you intend to always have Monday to Sunday in the current week, I think you misunderstood the use of the week.X interval. I think that you should stick with week.2, and use the BEGINNING and END with the intnx function: %LET StartDate =%sysfunc(intnx(week.2, "&SYSDATE"D, 0, beginning), DATE9.); %LET EndDate =%sysfunc(intnx(week.2, "&SYSDATE"D, 0, end), DATE9.); %put &startdate &enddate; 09MAR2009 15MAR2009 /Linus ... View more