From: Tom Lane Date: Tue, 8 May 2007 17:02:59 +0000 (+0000) Subject: Add an explicit comment about POSIX time zone names having the reverse X-Git-Tag: REL8_3_BETA1~708 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=97f796942fe529ed080a6b1695ec00fa19dfb191;p=postgresql Add an explicit comment about POSIX time zone names having the reverse sign convention from everyplace else in Postgres. I don't suppose that this will stop people from being confused, but at least we can say that it's documented. --- diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml index 507b4b6142..e1fb7d4249 100644 --- a/doc/src/sgml/datatype.sgml +++ b/doc/src/sgml/datatype.sgml @@ -1,4 +1,4 @@ - + Data Types @@ -2275,6 +2275,11 @@ January 8 04:05:06 1999 PST reasonableness of the zone abbreviations. For example, SET TIMEZONE TO FOOBAR0 will work, leaving the system effectively using a rather peculiar abbreviation for UTC. + Another issue to keep in mind is that in POSIX time zone names, + positive offsets are used for locations west of Greenwich. + Everywhere else, PostgreSQL follows the + ISO-8601 convention that positive timezone offsets are east + of Greenwich.