Western Australian Daylight Savings changes
Gerard Seibert
gerard at seibercom.net
Fri Dec 1 03:59:10 PST 2006
On Friday December 01, 2006 at 06:03:12 (AM) Dean Hollister wrote:
> To confuse things even more, Western Australia is starting daylight saving
> for a 3 year trial. The start/stop dates are not uniform, just to make
> life harder. The dates are as follows:
>
> First on: 2:00am Dec 3
> 2007-2008: 2:00am Oct lastSun (ON)
> 2007-2009: 2:00am Mar lastSun (OFF)
>
> If I've got the zoneinfo rules right, they go something like (sorry if
> field formatting doesn't come out properly):
>
>
> # Western Australia
> Zone Australia/Perth 7:43:24 - LMT 1895 Dec
> 8:00 Aus WST 1943 Jul
> 8:00 - WST 1974 Oct lastSun 2:00s
> 8:00 1:00 WST 1975 Mar Sun>=1 2:00s
> 8:00 - WST 1983 Oct lastSun 2:00s
> 8:00 1:00 WST 1984 Mar Sun>=1 2:00s
> 8:00 - WST 1991 Nov 17 2:00s
> 8:00 1:00 WST 1992 Mar Sun>=1 2:00s
> 8:00 - WST 2006 Dec 2
> 8:00 AW WST 2009 Mar lastSun 2:00s
> 8:00 - WST
>
> # Rule NAME FROM TO TYPE IN ON AT SAVE
> LETTER/S
> Rule AW 2006 only - Dec 3 2:00s 1:00 -
> Rule AW 2007 2008 - Oct lastSun 2:00s 1:00 -
> Rule AW 2007 2009 - Mar lastSun 2:00s 0 -
>
> Has anything at this stage been committed to the -STABLE branches for
> these changes, or will most need to do them manually?
>
> The gazetted changes/references are at:
>
> http://wa.gov.au/daylightsaving/
I Don't know if this will help you or not, but I have used this shell
script to facilitate updating this system.
*********************************************************************
#!/usr/local/bin/bash
mkdir tz
cd tz
wget 'ftp://elsie.nci.nih.gov/pub/tz*.tar.gz'
gzip -dc tzcode*.tar.gz | tar -xf -
gzip -dc tzdata*.tar.gz | tar -xf -
*********************************************************************
Be sure to read the documentation obviously.
--
Gerard
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