Question: how to calculate days difference between two dates in sas?
Answer: Re: Calculate difference in days between SAS dates data x; date1='01JAN2019'd; date2='04FEB2019'd; days_between=date2 - date1; * format date1 date2 mmddyy10.; run; proc print data=x; run; If you want the number of weeks, months, quarters, etc. between two SAS dates, check out the intck() function.