From http://www.postgresql.org/docs/current/static/datatype-datetime.html#DATATYPE-TIMEZONES
Another issue to keep in mind is that in POSIX time zone names,
positive offsets are used for locations west of Greenwich.
On Sun, Nov 29, 2009 at 2:08 AM, <seiliki@so-net.net.tw> wrote:
> The target pgsql is compiled from 8.4rc1. 'GMT+8' can be found in installed binary file
.../share/postgresql/timezone/Etc/GMT+8.
>
> This is the recorded script:
>
> -----BEGIN record----------
> db1=# select now();
> now
> -------------------------------
> 2009-11-29 14:44:37.322414+08
> (1 row)
>
> db1=# set timezone to 'GMT+8';
> SET
> db1=# select now();
> now
> -------------------------------
> 2009-11-28 22:45:03.397545-08
> (1 row)
>
> db1=# set timezone to GMT-8';
> SET
> db1=# select now();
> now
> -------------------------------
> 2009-11-29 14:45:39.160701+08
> (1 row)
>
> db1=# set timezone to '0';
> SET
> db1=# select now();
> now
> -------------------------------
> 2009-11-29 06:45:54.347482+00
> (1 row)
> -----END record----------
>
> I thought time zone 'GMT+8' was '8' or UTC+8, and 'GMT-8' was '-8' or UTC-8. Does the original time zone settings
shippedwith source have special interpretation that is different from my understanding?
>
> Regards,
> CN
>
> --
> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>
