Re: Time zone 'GMT+8' - Mailing list pgsql-general

From Martin Gainty
Subject Re: Time zone 'GMT+8'
Date
Msg-id BLU142-W339D33D1DE6FEB959A5DD5AE980@phx.gbl
Whole thread Raw
In response to Time zone 'GMT+8'  (seiliki@so-net.net.tw)
List pgsql-general
there are 3 terms which refer to GMT
GMT in the UK
Zulu time for aviators
UTC for Scientific measurements

UTC is now replacing 'Zulu' and 'GMT' for 0 time references

http://wwp.greenwichmeantime.com/info/zulu.htm
Martin Gainty
______________________________________________
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> Date: Sun, 29 Nov 2009 15:08:01 +0800
> From: seiliki@so-net.net.tw
> To: pgsql-general@postgresql.org
> Subject: [GENERAL] Time zone 'GMT+8'
>
> 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 shipped with source have special interpretation that is different from my understanding?
>
> Regards,
> CN
>
> --
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