Subject: Re: bug#48353: result of date is wrong if Etc/GMT is used

From: Paul Eggert <[email-masked]>
Date: Tue, 11 May 2021 12:08:32 -0700

On 5/11/21 3:17 AM, Thomas Güttinger wrote:
> The date command inverts the sign if TZ is set with Etc/GMT.

That's a feature, not a bug. The Etc zones are documented to use the 
opposite sign, to be consistent with POSIX settings like TZ='<+05>-5'.

$ date -u; TZ='<+05>-5' date; TZ=Etc/GMT-5 date
Tue May 11 19:07:34 UTC 2021
Wed May 12 00:07:34 +05 2021
Wed May 12 00:07:34 +05 2021