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Editorial Team
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Asked: 2026-05-23T15:45:31+00:00

I installed PostgreSQL 9 and the time it is showing is 1 hour behind

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I installed PostgreSQL 9 and the time it is showing is 1 hour behind the server time.

Running Select NOW() shows: 2011-07-12 11:51:50.453842+00

The server date shows: Tue Jul 12 12:51:40 BST 2011

It is 1 hour behind but the timezone shown in phppgadmin is: TimeZone Etc/GMT0

I have tried going into the postgresql.conf and setting

timezone = GMT

then running a restart but no change.

Any ideas I thought it would have just used the server timezone but obviously not?!

SOLUTION!:
I did set to GMT before and it was an hour behind. after searching around turns out that I needed to set it to Europe/London. This takes into account the +1 hour in British summer time, GMT does not!

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1 Answer

  1. Editorial Team

    The time zone is a session parameter. So, you can change the timezone for the current session.

    See the doc.

    set timezone TO 'GMT';

    Or, more closely following the SQL standard, use the SET TIME ZONE command. Notice two words for “TIME ZONE” where the code above uses a single word “timezone”.

    SET TIME ZONE 'UTC';

    The doc explains the difference:

    SET TIME ZONE extends syntax defined in the SQL standard. The standard allows only numeric time zone offsets while PostgreSQL allows more flexible time-zone specifications. All other SET features are PostgreSQL extensions.

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