Dates and times converted to SAS date and datetime values in this manner may be used more easily in numeric calculations, and there is no ambiguity as to which century a SAS date or datetime value is ...
The MDY function converts MONTH, DAY, and YEAR values to a SAS date value. For example, MDY(10,17,91) returns the SAS date value '17OCT91'D. The YYQ function computes the SAS date for the first day of ...