[tz] tzdb data for North and Central America

[Jeffery Nichols]

This is great, thank you! It looks like mapping the Nipigon zone will be
trickier than I thought, because some of those towns are on the far side of
places bigger than Nipigon, like Sault Ste Marie.

On Fri, 17 Jan 2020 at 02:01, Paul Eggert <eggert at cs.ucla.edu> wrote:

> On 1/13/20 8:15 AM, Jeffery Nichols wrote:
> > I was also wondering whether anyone on your team has more data about
> > what towns were part of America/Nipigon.
>
> I got that data from my printed copy of the Shanks International Atlas. It
> contains hundreds of place names in Canada but does not sort them by time
> zone
> region. I just now looked in Shanks (4th edition) for place names
> beginning with
> "A" with the same time zone history as Nipigon (Shanks calls this Canada's
> region 35), and found the following:
>
> Alfred
> Algoma Mills
> Algonquin
> Almonte
> Alvinston
> Appleton
> Apsley
> Arden
> Armstrong
> Armstrong Station
> Aroland
> Attawapiskat
> Auburn
>
> The book has latitude and longitude for each of these entries. It would
> take
> some time to transcribe all this info (including B-Z) for all of Canada.
> Also,
> Shanks partitions the world into many more regions than tzdb does, because
> he
> doesn't have the 1970 cutoff that tzdb does. So he partitions Canada into
> 253
> regions and there could be other Shankian regions that share Nipigon's
> post-1970
> time zone history and would thus fall under America/Nipigon in tzdb.
>
> With the above in mind, you could grab a copy of the book and get the data
> you
> need. Although the book is out of print, copies of the final (6th) edition
> can
> be found in libraries:
>
> https://www.worldcat.org/oclc/76950459
>
> https://www.worldcat.org/oclc/1135266594
>
> and used copies are for sale in various locations.
>
> I misplaced my copy of the 6th edition during the 2011 astrologer lawsuit
> ruckus
> (it probably ended up with one of the attorneys I consulted), but I just
> now
> ordered a used copy so that I can more easily answer historical questions
> like
> yours in the future.
>


-- 
*Jeffery Nichols*, JD, MPA, MA
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