Handbook of SAS DATA Step Programming

126 Handbook of SAS

®

DATA Step Programming

Dates and times are stored as numbers in SAS, so you need to use a format

to see what the numbers represent. For example, DATEw. writes date values

in the form of ddmmmyy, ddmmmyyyy, or dd-mmm-yyyy, where dd is an inte-

ger that represents the day of the month, mmm is the rst three letters of the

month, and yy or yyyy is a two-digit or four-digit integer that represents the

year. The w value represents the width of the output eld.

Another commonly used date format is the MMDDYYw. format that writes

date values in the form of mmdd<yy>yy or mm/dd/<yy>yy, where mm is an

integer value that represents mon ...