Ted Byers wrote: > On Thu, Aug 6, 2009 at 10:39 PM, J. Shirley<jshir...@gmail.com> wrote: > >> On Thu, Aug 6, 2009 at 7:27 PM, Jim Brunette <ca...@brownhare.com> wrote: >> >> >>> Is there a lat/lon database that contains the timezone boundaries? >>> >>> With a lat/long TZ DB, users could input their city or zip (or heck, if >>> they know it, their lat/lon), then the app would associate the user's >>> lat/lon with the TZ lat/lon and output the TZ (if the user's lat/lon was >>> not found, the app would just fall back to the continent/city names). >>> >>> To take it one step further, mobile apps with GPS have real-time >>> lat/lon, so getting the TZ should be easy... How useful such an mobile >>> app would be is another question. >>> >>> Jim >>> >>> >>> >>> >>> >>> >>> >> geonames.org provides this, via a simple HTTP interface. >> >> Here's a blog post describing usage: >> http://vancouverwebconsultants.com/getting-time-zone-from-latitude-longitude/(though >> in PHP) >> >> To fetch, it's very simple: >> http://ws.geonames.org/timezone?lat=$lat&lng=$lng >> >> -J >> >> > Well live and learn. Use someone else's hardware and software to do > the heavy lifting. ... ;-) > > I'll have to check it out. It is trivial to write Perl that is > equivalent to a given PHP code snippet. ;-) > > Thanks > > Ted > >
Talk about embarrassing, I already use geonames.org's find* web services for geocoding--did not look farther down their web services list. Thanks a bunch, Jay. Jim
