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RFC 7231, "Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content", June 2014

Note: This RFC has been obsoleted by RFC 9110

Source of RFC: httpbis (wit)

Errata ID: 4232
Status: Rejected
Type: Technical
Publication Format(s) : TEXT

Reported By: Christopher Olson
Date Reported: 2015-01-14
Rejected by: Barry Leiba
Date Rejected: 2015-01-17

Section says:


It should say:



The text refers to RFC 5322. There Sect 3.3 calls the use timezone abbreviations, like GMT, obsolete. It encourages using a numeric offset such as +0000.

The grammar for dates in 7231 Sect uses GMT. Example dates throughout this RFC and others related to HTTP use GMT. This is inconsistent with 5322.

The RFCs for HTTP need to be modified to match 5322, or needs a note that HTTP deliberately deviates from 5322 with regards to the timezone.
The document is quite clear that the "GMT" version is preferred, and is necessary for compatibility with earlier versions and implementations.

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