[tz] Proposal to change Macquarie Island to be Australian territory

Tim Parenti tim at timtimeonline.com
Mon Apr 15 15:04:25 UTC 2013


The proposed change to zone.tab leaves the entry for Antarctica/Macquarie
in place with the rest of the AQ entries.  For consistency (and since we've
seen reports in the past of finicky implementations), it should probably
live with the rest of the AU entries instead.

We may also want to leave the "like Australia/Hobart" comment in and just
add "until 2010", so that the historical connection is kept clear.

--
Tim Parenti


On 15 April 2013 03:02, Paul Eggert <eggert at cs.ucla.edu> wrote:

> Thanks, here's a proposed patch to implement the fix.
> Like the other patch I sent out just now, this patch is published
> in the unofficial github repository.
>
> >From a676f5ad3b40fa8dc76f05c452e126167444fba3 Mon Sep 17 00:00:00 2001
> From: Paul Eggert <eggert at cs.ucla.edu>
> Date: Mon, 15 Apr 2013 00:00:01 -0700
> Subject: [PATCH] Macquarie Island is politically part of Australia, not
>  Antarctica.
>
> This doesn't affect time stamps, just zone selection.
> Problem reported by Tobias Conradi in
> <http://mm.icann.org/pipermail/tz/2013-April/019023.html>.
> * antarctica (AusAQ, ATAQ): Remove; no longer needed.
> * australasia (Antarctica/Macquarie): Move here from
> the 'antarctica' file.  Use Aus and AT rather than
> AusAQ and ATAQ.
> * zone.tab (Antarctica/Macquarie): Country code AU, not AQ.
> ---
>  antarctica  |   42 +-----------------------------------------
>  australasia |   12 +++++++++++-
>  zone.tab    |    2 +-
>  3 files changed, 13 insertions(+), 43 deletions(-)
>
> diff --git a/antarctica b/antarctica
> index d55924b..9bf2494 100644
> --- a/antarctica
> +++ b/antarctica
> @@ -53,34 +53,6 @@ Rule ChileAQ 2011    only    -       Aug     Sun>=16
> 4:00u   1:00    S
>  Rule   ChileAQ 2012    max     -       Apr     Sun>=23 3:00u   0       -
>  Rule   ChileAQ 2012    max     -       Sep     Sun>=2  4:00u   1:00    S
>
> -# These rules are stolen from the `australasia' file.
> -Rule   AusAQ   1917    only    -       Jan      1      0:01    1:00    -
> -Rule   AusAQ   1917    only    -       Mar     25      2:00    0       -
> -Rule   AusAQ   1942    only    -       Jan      1      2:00    1:00    -
> -Rule   AusAQ   1942    only    -       Mar     29      2:00    0       -
> -Rule   AusAQ   1942    only    -       Sep     27      2:00    1:00    -
> -Rule   AusAQ   1943    1944    -       Mar     lastSun 2:00    0       -
> -Rule   AusAQ   1943    only    -       Oct      3      2:00    1:00    -
> -Rule   ATAQ    1967    only    -       Oct     Sun>=1  2:00s   1:00    -
> -Rule   ATAQ    1968    only    -       Mar     lastSun 2:00s   0       -
> -Rule   ATAQ    1968    1985    -       Oct     lastSun 2:00s   1:00    -
> -Rule   ATAQ    1969    1971    -       Mar     Sun>=8  2:00s   0       -
> -Rule   ATAQ    1972    only    -       Feb     lastSun 2:00s   0       -
> -Rule   ATAQ    1973    1981    -       Mar     Sun>=1  2:00s   0       -
> -Rule   ATAQ    1982    1983    -       Mar     lastSun 2:00s   0       -
> -Rule   ATAQ    1984    1986    -       Mar     Sun>=1  2:00s   0       -
> -Rule   ATAQ    1986    only    -       Oct     Sun>=15 2:00s   1:00    -
> -Rule   ATAQ    1987    1990    -       Mar     Sun>=15 2:00s   0       -
> -Rule   ATAQ    1987    only    -       Oct     Sun>=22 2:00s   1:00    -
> -Rule   ATAQ    1988    1990    -       Oct     lastSun 2:00s   1:00    -
> -Rule   ATAQ    1991    1999    -       Oct     Sun>=1  2:00s   1:00    -
> -Rule   ATAQ    1991    2005    -       Mar     lastSun 2:00s   0       -
> -Rule   ATAQ    2000    only    -       Aug     lastSun 2:00s   1:00    -
> -Rule   ATAQ    2001    max     -       Oct     Sun>=1  2:00s   1:00    -
> -Rule   ATAQ    2006    only    -       Apr     Sun>=1  2:00s   0       -
> -Rule   ATAQ    2007    only    -       Mar     lastSun 2:00s   0       -
> -Rule   ATAQ    2008    max     -       Apr     Sun>=1  2:00s   0       -
> -
>  # Argentina - year-round bases
>  # Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05
>  # Esperanza, San Martin Land, -6323-05659, since 1952-12-17
> @@ -122,10 +94,7 @@ Rule        ATAQ    2008    max     -       Apr
> Sun>=1  2:00s   0       -
>  # </a>
>
>  # From Steffen Thorsen (2010-03-10):
> -# We got these changes from the Australian Antarctic Division:
> -# - Macquarie Island will stay on UTC+11 for winter and therefore not
> -# switch back from daylight savings time when other parts of Australia do
> -# on 4 April.
> +# We got these changes from the Australian Antarctic Division: ...
>  #
>  # - Casey station reverted to its normal time of UTC+8 on 5 March 2010.
>  # The change to UTC+11 is being considered as a regular summer thing but
> @@ -136,9 +105,6 @@ Rule        ATAQ    2008    max     -       Apr
> Sun>=1  2:00s   0       -
>  #
>  # - Mawson station stays on UTC+5.
>  #
> -# In addition to the Rule changes for Casey/Davis, it means that Macquarie
> -# will no longer be like Hobart and will have to have its own Zone
> created.
> -#
>  # Background:
>  # <a href="
> http://www.timeanddate.com/news/time/antartica-time-changes-2010.html">
>  # http://www.timeanddate.com/news/time/antartica-time-changes-2010.html
> @@ -165,12 +131,6 @@ Zone Antarctica/Mawson     0       -       zzz
> 1954 Feb 13
>                         6:00    -       MAWT    2009 Oct 18 2:00
>                                                 # Mawson Time
>                         5:00    -       MAWT
> -Zone Antarctica/Macquarie 0    -       zzz     1911
> -                       10:00   -       EST     1916 Oct 1 2:00
> -                       10:00   1:00    EST     1917 Feb
> -                       10:00   AusAQ   EST     1967
> -                       10:00   ATAQ    EST     2010 Apr 4 3:00
> -                       11:00   -       MIST    # Macquarie Island Time
>  # References:
>  # <a href="http://www.antdiv.gov.au/aad/exop/sfo/casey/casey_aws.html">
>  # Casey Weather (1998-02-26)
> diff --git a/australasia b/australasia
> index 58df73d..4ba53e8 100644
> --- a/australasia
> +++ b/australasia
> @@ -220,7 +220,17 @@ Zone Australia/Lord_Howe 10:36:20 -        LMT
> 1895 Feb
>  # Macquarie
>  # permanent occupation (scientific station) since 1948;
>  # sealing and penguin oil station operated 1888/1917
> -# like Australia/Hobart
> +# From Steffen Thorsen (2010-03-10):
> +# We got these changes from the Australian Antarctic Division:
> +# - Macquarie Island will stay on UTC+11 for winter and therefore not
> +# switch back from daylight savings time when other parts of Australia do
> +# on 4 April.
> +Zone Antarctica/Macquarie 0    -       zzz     1911
> +                       10:00   -       EST     1916 Oct 1 2:00
> +                       10:00   1:00    EST     1917 Feb
> +                       10:00   Aus     EST     1967
> +                       10:00   AT      EST     2010 Apr 4 3:00
> +                       11:00   -       MIST    # Macquarie I Standard Time
>
>  # Christmas
>  # Zone NAME            GMTOFF  RULES   FORMAT  [UNTIL]
> diff --git a/zone.tab b/zone.tab
> index c1cd95e..9562da7 100644
> --- a/zone.tab
> +++ b/zone.tab
> @@ -42,7 +42,7 @@ AQ    -6617+11031     Antarctica/Casey        Casey
> Station, Bailey Peninsula
>  AQ     -7824+10654     Antarctica/Vostok       Vostok Station, Lake Vostok
>  AQ     -6640+14001     Antarctica/DumontDUrville       Dumont-d'Urville
> Station, Terre Adelie
>  AQ     -690022+0393524 Antarctica/Syowa        Syowa Station, E Ongul I
> -AQ     -5430+15857     Antarctica/Macquarie    Macquarie Island Station,
> Macquarie Island
> +AU     -5430+15857     Antarctica/Macquarie    Macquarie Island Station,
> Macquarie Island
>  AR     -3436-05827     America/Argentina/Buenos_Aires  Buenos Aires (BA,
> CF)
>  AR     -3124-06411     America/Argentina/Cordoba       most locations
> (CB, CC, CN, ER, FM, MN, SE, SF)
>  AR     -2447-06525     America/Argentina/Salta (SA, LP, NQ, RN)
> --
> 1.7.10.4
>
>
>
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