Thanks! justify_interval is what I needed, I had never heard of it. I was already prepared to deal with getting the years and multiplying by 12. Topher [] On Jun 30, 2010, at 18:45 , Eliot, Christopher wrote: > I need to read a timestamp from the database and turn that into an integer describing how many months ago the event happened, rounding downward. The events are guaranteed to be in the past. =# select timestamp '2010-06-26 00:00:00' - timestamp '2008-11-07 00:00:00'; ?column? ---------- 596 days (1 row) =# select justify_interval(timestamp '2010-06-26 00:00:00' - timestamp '2008-11-07 00:00:00'); justify_interval -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general