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Date: Wed, 21 Jan 2026 16:33:45 +0100
To: Andreas Heigl <andreas@heigl.org>
Cc: internals@lists.php.net
Subject: Re: [PHP-DEV] Was deprecation of DATE_RFC7231 and
 DateTimeInterface::RFC7231 a mistake?
In-Reply-To: <795bff15-ebb1-4cf8-a189-15ca93467ea1@heigl.org>
References: <CAGBsUrf2=4SLdfWUUe560Z=0YtSP67xS=QniaiRqABT-WqzfOA@mail.gmail.com>
 <795bff15-ebb1-4cf8-a189-15ca93467ea1@heigl.org>
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From: tim@bastelstu.be (=?UTF-8?Q?Tim_D=C3=BCsterhus?=)

Hi

Am 2026-01-21 16:17, schrieb Andreas Heigl:
> As RFC7231 explicitly requests GMT I'd even reject formatting a 
> DateTime-object that has been set to UTC.

Quoting from RFC 9110#5.6.7:

> An HTTP-date value represents time as an instance of Coordinated 
> Universal Time (UTC).

Best regards
Tim Düsterhus