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Thanks Chris -
Yes, but the actual time represented by the UTC time 14:00Z changes in the UK (for example) in winter relative to summer, as there is a 1 hour DST.
So if you were to Schedule all calanders based on 14:00Z then this would imply a different schedule time in the summer (13:00 PM) in the UK than in the winter (14:00 PM)
There is no indicator of this and so your scheduling has the possiblity of being out an hour in different timezones.
So, from your example,
"2001-12-23T18:48-08:00 or 2001-12-24T04:48 02:00, both of which are equivalent to 2001-12-24T02:48Z."
This is ok in the States (as it seems to hgave a constant differetial between the standard time and UTC), but other zones also change yearly for DST.
Hence, although 2001-12-23T18:48-08:00 or 2001-12-24T04:48 02:00, both of which are equivalent to 2001-12-24T02:48Z may be true in the summer, in the winter the second timezone (including 1 hour DST) could well be 2001-12-24T04:48 01:00 and so an hour is lost (due to DST).
Steven
----- Original Message -----
From: "Christopher R. Maden" <crism@maden.org>
To: <xml-dev@lists.xml.org>
Sent: Sunday, December 23, 2001 11:49 PM
Subject: Re: [xml-dev] XML Schema and Timezones
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> At 18:27 23-12-2001, s.livingstone@btinternet.com wrote:
> >There needs to be some way of stating the target timezone so that the
> >correct Daylight settings relative to UTC can be resolved. Something like
> >this...
> >
> >"CCYY:MM:DDTHH:MM:SSZGXXXX"
>
> ISO 8601 date-times have time zone information. The Z indicates UTC. To
> use a dateTime with a different time zone, use a format like
> 2001-12-23T18:48-08:00 or 2001-12-24T04:48 02:00, both of which are
> equivalent to 2001-12-24T02:48Z.
>
> HTH,
> Chris
> - --
> Christopher R. Maden, Principal Consultant, HMM Consulting Int'l, Inc.
> DTDs/schemas - conversion - ebooks - publishing - Web - B2B - training
> <URL: http://www.hmmci.com/ > <URL: http://crism.maden.org/consulting/ >
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