proposed tz data changes for Syria, Uruguay

Oscar van Vlijmen ovv at hetnet.nl
Tue Sep 19 13:56:25 UTC 2006


> From: Paul Eggert
> Date: Mon, 18 Sep 2006 12:06:41 -0700
> Subject: proposed tz data changes for Syria, Uruguay

> RCS file: RCS/asia,v
> retrieving revision 2006.11
> retrieving revision 2006.11.0.1
> diff -pu -r2006.11 -r2006.11.0.1
> --- asia    2006/08/28 16:18:48    2006.11
> +++ asia    2006/09/18 18:57:32    2006.11.0.1
> @@ -1670,9 +1670,14 @@ Rule    Syria    1993    only    -    Sep    25    0:00
0    -
> # 2000-04-02, and 2001-04-02; (1999-09) says 2000-03-31 and 2001-03-31;
> # ignore all these claims and go with Shanks & Pottenger.
> Rule    Syria    1994    1996    -    Apr     1    0:00    1:00    S
> -Rule    Syria    1994    max    -    Oct     1    0:00    0    -
> +Rule    Syria    1994    2005    -    Oct     1    0:00    0    -
> Rule    Syria    1997    1998    -    Mar    lastMon    0:00    1:00    S
> Rule    Syria    1999    max    -    Apr     1    0:00    1:00    S
> +# From Stephen Colebourne (2006-09-18):
> +# According to IATA data, Syria will change DST on 21st September this
> +# year [only]....  This is probably related to Ramadan, like Egypt.
> +Rule    Syria    2006    only    -    Sep    21    0:00    0    -
> +Rule    Syria    2007    max    -    Oct     1    0:00    0    -
> # Zone    NAME        GMTOFF    RULES    FORMAT    [UNTIL]
> Zone    Asia/Damascus    2:25:12 -    LMT    1920    # Dimashq
> 2:00    Syria    EE%sT

>From Stephen Colebourne
> Subject: FW: Syrian TZ change

> According to IATA data, Syria will change DST on 21st September this
> year:
> 
> Standard time +2 hours
> DST time +3 hours
> Change from standard to DST:
> 2006-03-30T22:00
> 2007-03-31T22:00
> 2008-03-31T22:00
> Change from DST to standard:
> 2006-09-21T21:00
> 2007-09-30T21:00
> 2008-09-30T21:00

My question is:
Are you shure that
> Change from DST to standard:
> 2006-09-21T21:00
has to be interpreted as:
> +Rule    Syria    2006    only    -    Sep    21    0:00    0    -
Probably Sep 22 0:00h ?
If you follow the IATA, then you may also want to have a look at the
starting date in 2006: Mar 31 0:00, not Apr 1.



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