FW: FW: Time Zone Area Polygons

Mark Davis mark.davis at icu-project.org
Fri Jun 30 00:08:17 UTC 2006


There are many sources for polygons for country boundaries. It would suffice
to have the polygons within those countries that have multiple timezones.

Mark

On 6/29/06, Olson, Arthur David (NIH/NCI) [E] <olsona at dc37a.nci.nih.gov>
wrote:
>
>  Brak is not on the time zone mailing list; direct replies appropriately.
>
>                 --ado
>
>  ------------------------------
> *From:* Brak [mailto:Brak at neo.rr.com]
> *Sent:* Thursday, June 29, 2006 4:40 PM
>
> *To:* tz at lecserver.nci.nih.gov
> *Subject:* Re: FW: Time Zone Area Polygons
>
> Paul Eggert wrote:
>
> "Olson, Arthur David \(NIH/NCI\) [E]" <olsona at dc37a.nci.nih.gov> <olsona at dc37a.nci.nih.gov> writes:
>
>   I have read at several websites about there being time zone area polygon
> lists. For example a file called New_Yok.geo.
>
> That'd be news to me.  Good news.  Can you give URLs for this?
>
> I just now Googled for New_York.geo, but all I found was Doug Royer's
> expired draft proposal for a registry for such data
> <http://ietfreport.isoc.org/idref/draft-royer-timezone-registry/> <http://ietfreport.isoc.org/idref/draft-royer-timezone-registry/>.  As
> far as I know, this has not been implemented.  I have seen technical
> recommendations for a time zone service that might contain the data
> you're talking about
> <http://www.calconnect.org/publications/timezoneregistryandservicerecommendationsv1.0.pdf> <http://www.calconnect.org/publications/timezoneregistryandservicerecommendationsv1.0.pdf>,
> once it gets implemented.
>
>
>   The item google gave you is the site that I heard about it.
>
>
>  So can you please direct me to where I can download the timezone area
> polygons.
>
> Some timezone area data is mentioned under "Time zone boundaries" in
> <http://www.twinsun.com/tz/tz-link.htm> <http://www.twinsun.com/tz/tz-link.htm>.  You can look there, but I
> suspect it won't be exactly what you want.
>
>   The only one that looks to have potential was the link to
> http://www.manifold.net/download/freemaps.html
> On that site they have a link to a TZ boundary database
> ftp://69.17.46.170/downloads/free_world/WorldTZ.zip
> But that link keeps timing out. i did a search for the file itself under
> google, and the two "mirrors" for it are down as well.
>
> Do you happen to know how to get this file?
>
>
> Thanks in advance.
>
> B"H
> John
>
>
>
>
>
>
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