[tz] [PATCH 1/2] Follow Australian common usage and update CST/CST to CST/CDT and EST/EST to EST/EDT etc [SEC=UNCLASSIFIED]

[Timothy Arceri]

Hi Tobias,

I meant to respond to your suggestion to use a different letter for half hour daylight savings earlier but real work got in the way. 

I appreciate what you are trying to do in trying to create a standard for abbreviations. However I fear this is out of the scope of what we are trying to achieve right now. You are looking at the big picture but this would involve convincing everyone worldwide to make sure they use these abbreviations consistently not just the people on this list. While I don't agree with everyone's interpretation of what it should mean (or how to decided it) I do generally agree with the statement ' the TZ Coordinator SHALL NOT set time zone policy for a region but use judgment and whatever available sources exist to assess what the average person on street would think the time actually is '
In other words we should not be inventing a new abbreviation for Lord Howe Island.

> there is precedence for avoiding "D" if the offset change during DST is different from 60 min.

This is a little confusing as the Cook Islands data entry is in amongst the Australian islands but it is not an Australian territory so this precedence does not apply to the Australian abbreviations. I considered moving the Cook Islands data in the file as part of my patch but decided it was a separate issue. Maybe Paul might consider moving it?

Tim

-----Original Message-----
From: Tobias Conradi [mailto:tobias.conradi at gmail.com] 
Sent: Thursday, 11 April 2013 4:17 PM
To: tz at iana.org mailing list; Timothy Arceri
Subject: Re: [tz] [PATCH 1/2] Follow Australian common usage and update CST/CST to CST/CDT and EST/EST to EST/EDT etc [SEC=UNCLASSIFIED]

Like Ian, I prefer on list discussion for archival purposes and more feedback.

On Thu, Apr 11, 2013 at 1:50 AM, Timothy Arceri <T.Arceri at bom.gov.au> wrote:
> --- australasia     2013-02-21 07:00:40.000000000 +0000
> +++ australasia_new      2013-04-10 00:39:26.000000000 +0000
>  # Lord Howe Island
>
> # Rule  NAME   FROM   TO          TYPE      IN           ON         AT
> SAVE     LETTER/S
> +Rule    LH           1985       only       -              Oct
> lastSun 2:00        0:30        D
>
> Zone Australia/Lord_Howe 10:36:20 -    LMT       1895 Feb
> -                                              10:30     LH           LHST
>
> +                                             10:30     LH           LH%sT

As has been posted at:
http://mm.icann.org/pipermail/tz/2013-April/018988.html
there is precedence for avoiding "D" if the offset change during DST is different from 60 min.

--
Tobias Conradi
Rheinsberger Str. 18
10115 Berlin
Germany

http://tobiasconradi.com/