[tz] Correcting daylight-savings time for central Missouri prior to 1967
guy at alum.mit.edu
Fri Nov 23 23:00:31 UTC 2018
On Nov 23, 2018, at 2:17 PM, Robert Elz <kre at munnari.OZ.AU> wrote:
> Date: Fri, 23 Nov 2018 15:52:19 -0500
> From: Jane Eisenstein <softweave at gmail.com>
> Message-ID: <7DD1D3F1-2C71-44DB-8794-2967D669D200 at gmail.com>
> | Perhaps. I would have to locate each of the exceptions and see whether any
> | are adjoining.
> If you mean geographically, then no, that's not needed. What makes a region
> is that the clocks set correctly show, and have shown, the same time, alyways,
> since standardised times were introduced (or for definite inclusion in tzdb, since
> 1970) If two areas have always had the same local time, they can be
> represented by the same timezone (and would normally be so unless that
> looks to be by pure chance with no overriding reason it should be so).
> If the local time has ever differed (since 1970, and ideally, though we are not
> there yet, since standardied time) then they should be different zones.
So there is no requirement that a tzdb region be a connected space?
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