[tz] Carving shapes

Tim Parenti tim at timtimeonline.com
Thu Oct 16 16:24:52 UTC 2014


The commentary in the relevant portions of the 'europe' file attempts to
detail the scope of each zone, in terms of the political subdivisions of

Back in August, Blake Crosby and I had a brief discussion about how to find
good geometries for these subdivisions, but we hadn't found much.

Eric Muller has created shapefiles in the past for some versions of tz
data.  On his http://efele.net/maps/tz/russia/ page, he shares an
"ingredients" file at
http://efele.net/maps/tz/russia/tz_russia_ingredients.zip which may be of
some use.

Tim Parenti

On 16 October 2014 12:00, Marvel, Jim (CPCOE) <Jim.Marvel at honeywell.com>

>  Also, how to determine borders for Zabaykalsky Krai
> *From:* Marvel, Jim (CPCOE)
> *Sent:* Thursday, October 16, 2014 11:22 AM
> *To:* 'tz at iana.org'
> *Subject:* Carving shapes
> How to determine borders for these new zones?
> Two zones are added:
> Asia/Chita (split from Asia/Yakutsk, and also with two hours subtracted)
> and
> Asia/Srednekolymsk (split from Asia/Magadan, but with only one hour
> subtracted).
> thanks
> Jim Marvel
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