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Re: [Sedate] Can offsets like [+02:00] be used instead of IANA names in brackets?

Edward Welbourne <edward.welbourne@qt.io> Fri, 18 March 2022 11:11 UTC

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From: Edward Welbourne <edward.welbourne@qt.io>
To: Justin Grant <justingrant.ietf.public@gmail.com>, Carsten Bormann <cabo@tzi.org>
CC: Ujjwal Sharma <ryzokuken@igalia.com>, "sedate@ietf.org" <sedate@ietf.org>
Thread-Topic: [Sedate] Can offsets like [+02:00] be used instead of IANA names in brackets?
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Date: Fri, 18 Mar 2022 11:11:31 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/sedate/JCprJTYzIXL30SAE65GL7y5CyAM>
Subject: Re: [Sedate] Can offsets like [+02:00] be used instead of IANA names in brackets?
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Carsten Bormann wrote:
>> Can’t merge issues, but I’m looking at
>> https://github.com/ietf-wg-sedate/draft-ietf-sedate-datetime-extended/pull/15

Added some comments (as ediosyncratic).

>> I’d prefer to have references to the specifications (RFCs?) relevant
>> for the IANA timezone database; the PR text leaves that as an
>> exercise to the reader.  So if the WG can point us to the documents
>> that you want to have referenced, that might help reducing ambiguity.

Justin Grant (18 March 2022 02:14) replied:
> I don't know if the TZDB identifiers are included in any
> standard. https://www.rfc-editor.org/rfc/rfc6557.html defines the
> process for maintaining the TZDB, but I'm not sure if the data itself
> is covered by any standards. Does anyone on this list have insight
> about this topic?

I think
https://www.iana.org/time-zones/repository/theory.html#naming
is about as close as you'll get; see the rest of the page for further
details.  (Link derived from tz/CONTRIBUTING.)

	Eddy.

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