A book I have found useful is The essential guide to SAS Dates and Times Art Carpenter's SAS software series by Derek P. Morgan It does not, however, cover many other numeric formats like hex, binary, etc. as you can see by the books' name. The date format you are looking for to output full month day, year could be built with a picture statement in proc format or with the existing WORDDATEw. format. It's backdraw is that it adds leading blanks to shorter month names. WORDDATE18. is the minimum width to get full month name parsed, with necessary leading blanks for all but september. Anything below 18 will cut to 3letter abbreviation. Anything beyond 18 will add however much more leading blanks. I'm not sure of any detailed way to gather information on all format from within SAS (like one you could query and do manipulation to document another dataset with). There's always sashelp.vformat but there are no description of the formats so it is not the most useful dictionary table.
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