Cache revalidate modified timezone mismatch

Jonathan Matthews contact at
Wed May 7 15:34:15 UTC 2014

On 7 May 2014 15:51, Thijs Koerselman <thijskoerselman at> wrote:
> I have a backend returning a last modified header in CEST.

RF2616 says "All HTTP date/time stamps MUST be represented in
Greenwich Mean Time (GMT), without exception".

I'm not very surprised nginx isn't doing what you expect. Fix your backend.

> What's going on

I suspect nginx is merely munging the header into something that
matches the HTTP spec, and (arguably correctly) isn't looking at the
actual meaning of the header being modified.

> and how can I fix this?

Fix your backend.


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