"In a literal that has been determined to be timestamp without time zone, PostgreSQL will silently ignore any time zone indication. That is, the resulting value is derived from the date/time fields in the input value, and is not adjusted for time zone."
http://www.postgresql.org/docs/9.3/static/datatype-datetime.html 8.5.1.3 Time Stamps Not exactly a widely impactful decision but is there harm in emitting a "NOTICE: timezone specification ignored" Just got a complaint on -admin about this: http://www.postgresql.org/message-id/CACT-NGKQRtBGKOGUMT_goxyKu=yym8et1q5my-yjfuww++u...@mail.gmail.com David J.