Mark Morgan Lloyd wrote:
If GPS could be persuaded to cough up basic information about the
operative timezone in a standardised form (i.e. "you're in a country
that uses WET") it would make things much easier. Or failing that if
somebody had a comprehensive translation between lat/long and basic
timezone info, i.e. "this polygon is GMT", "this polygon is WET" and so
on; unlike transition dates etc. this wouldn't change very often.
Link below looks directly relevant: it contains polygon data for each
timezone, subject to knowing the current location.
http://efele.net/maps/tz/world/
I've confirmed that files are accessible (i.e. not subscription-only)
but not investigated the format of the content.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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