[tz] [PATCH] New file 'pre1970' for zones that differ only in pre-1970 time stamps.

Zefram zefram at fysh.org
Tue Sep 3 13:29:36 UTC 2013

random832 at fastmail.us wrote:
>It may be beneficial to add some manual hinting.

I tweaked the descriptions in zone.tab to make automated merging work

>                                                 The largish merged
>UTC+01 zones in Europe should probably be described as some variation on
>"Central European Time", a string that appears nowhere in zone.tab.

Actually these are easy cases.  European countries have few zones each,
and so don't need elaborate region descriptions to distinguish them within
the context of the selected country.  Stating "Central European Time"
doesn't seem useful; usually the whole country is on some variant of CET.
Quite unlike US or CA, where there are several base offsets in current use
and then DST differences between locations that share base offset.  There
we benefit greatly from using "{Alaska,Pacific,Mountain,Central,Eastern}
Time" as the first level of subdivision within the country.


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