SAS numeric date variable is integer value, representing days since 1/1/1960. So if you use INTNX to get back to the start of the prior week (Sunday) and then count forward +3, you will have the Wednesday date.
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thanks for all your help.. The actual requirement was to come up with a start date of 2 Saturdays ago and and end date of the previous Saturday. Both in DATE9. format. I needed to get them into macro vars so I used %let instead: