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[CF-metadata] New standard name: datetime_iso8601

From: Chris Barker - NOAA Federal <chris.barker>
Date: Thu, 21 Mar 2013 16:23:39 -0700

On Thu, Mar 21, 2013 at 12:14 PM, John Caron <caron at unidata.ucar.edu> wrote:
> Ive always just worked with the "W3C profile of ISO8601"
>
> http://www.w3.org/TR/NOTE-datetime
>
> So theres the question of supporting full ISO8601, or just a profile.

That looks like a good profile to me -- and documented, and well
accepted and broadly used?

> If someone knows what the "departures from the reference standard ISO 8601"
> that CF has already made, please post.

Well, I've seen a lot of datetime without the "T" in between the data
and time, which is valid ISO, but not valid in the profile you
referenced.

This isn't a deviation I know is in use, but I also noticed that in
profile referenced, the timezone is specified in hours offset. That
could be awkward for "local time" datasets with Daylight savings time
-- no way to express "US Pacific time zone", such that DST is
accounted for.

Granted, DST is a huge pain in the %^#&*, so maybe that's a good thing!

-Chris


-- 
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/OR&R            (206) 526-6959   voice
7600 Sand Point Way NE   (206) 526-6329   fax
Seattle, WA  98115       (206) 526-6317   main reception
Chris.Barker at noaa.gov
Received on Thu Mar 21 2013 - 17:23:39 GMT

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