[tz] timezone change for antarctica\casey [SEC=UNCLASSIFIED]
mj1856 at hotmail.com
Fri Oct 30 17:13:05 UTC 2015
If the zones are volatile, wouldn't it make more sense for someone in the Antarctic scientific community to maintain a private distribution for Antarctica?
tzdb could pull from it periodically, such as before each otherwise-scheduled release. But I'd be disappointed if a short-notice Antarctic zone change forced a new public tzdb version. For example, it's not quite the same scenario as the recent Turkey update.
> From: kre at munnari.OZ.AU
> To: Michael.Chinn at aad.gov.au
> Date: Fri, 30 Oct 2015 12:31:43 +0700
> CC: tz at iana.org
> Subject: Re: [tz] timezone change for antarctica\casey [SEC=UNCLASSIFIED]
> Date: Fri, 30 Oct 2015 05:01:39 +0000
> From: Michael Chinn <Michael.Chinn at aad.gov.au>
> Message-ID: <b269372e88e94074996dbfd2b611cec1 at KGS-EX02.AAD.GOV.AU>
> | The TZ changes, particularly at Casey, are highly variable,
> | they are based around resupply and flights.
> I assume in that case that someone plans them in advance ... given the
> logistics, probably a fair time (months?) in advance ?
> | I will endeavour to go through the database and pull out the TZ changes,
> | should be able to get 3-4 years.
> Ideally we're looking to go back to at least 1970 (or whenever it was
> established, if more recent than that) - and even earlier if applicable
> and possible.
> But it does not have to be all at once.
> | Regarding predictions, sometimes there are only a couple of days
> | notice on changes much to the anguish of a few wintering expiditioners.
> | All changes are visible live on the external site (it's the same database)
> That just tells us the current time, and so, unless continually monitored
> (which I doubt anyone here really has the resources to do) isn't suitable
> for much more than verifying (or not) that the current data is correct, and
> at best, would only ever tell us that we should have changed the zone already.
> To be really useful, we need to know (however far in advance is possible)
> when the next change is coming, before it occurs. Ideally more than 2 days!
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