On 03/23/2013 08:16 AM, Tom Lane wrote:
Adrian Klaver <adrian.kla...@gmail.com> writes:
Seems the time zone info still thinks Moscow time is being setting
forward an hour for DST when in fact the time remains constant through
the year.

I think the discrepancy is between this in timezone/data/europe:

Zone Europe/Moscow       2:30:20 -      LMT     1880
                         2:30   -       MMT     1916 Jul  3 # Moscow Mean Time
                         2:30:48 Russia %s      1919 Jul  1 2:00
                         3:00   Russia  MSK/MSD 1922 Oct
                         2:00   -       EET     1930 Jun 21
                         3:00   Russia  MSK/MSD 1991 Mar 31 2:00s
                         2:00   Russia  EE%sT   1992 Jan 19 2:00s
                         3:00   Russia  MSK/MSD 2011 Mar 27 2:00s
                         4:00   -       MSK

and this in timezone/tznames/Default:

MSD     14400 D  # Moscow Daylight Time
                  #     (Europe/Moscow)
MSK     10800    # Moscow Time
                  #     (Europe/Moscow)

We really need to figure out a way to update the tznames data
automatically, or at least notice when it's become inconsistent with
the underlying Olson database.

So I temporary fix would be to go into /share/timezonesets/Default

and change :

MSK     10800    # Moscow Time

to

MSK     14400    # Moscow Time

and then you get:

test=> set time zone 'Europe/Moscow';
SET
test=> select timeofday(), clock_timestamp();
              timeofday              |        clock_timestamp
-------------------------------------+-------------------------------
 Sun Mar 24 03:50:45.066537 2013 MSK | 2013-03-24 03:50:45.066582+04
(1 row)

test=> select timeofday()::timestamptz, clock_timestamp()::timestamptz;
           timeofday           |        clock_timestamp
-------------------------------+-------------------------------
 2013-03-24 03:50:52.485092+04 | 2013-03-24 03:50:52.485188+04
(1 row)




                        regards, tom lane




--
Adrian Klaver
adrian.kla...@gmail.com


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