Anibal David Acosta wrote: > This query returns false > > select ('2012-11-20 17:00:00-02:00'::timestamp with time zone) = ('2012-11-20 18:00:00- > 03:00'::timestamp with time zone) > > But are exactly same time > > Why? They are not the same. Compare: select ('2012-11-20 17:00:00-02:00'::timestamp with time zone) = ('2012-11-20 16:00:00-03:00'::timestamp with time zone) That will return true. Yours, Laurenz Albe -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin