Public bug reported:
I have observed this bug in Ubuntu 22.04 and Ubuntu 24.04.
To reproduce:
* Set the system time to a timezone that does not have DST, e.g. `sudo
timedatectl set-timezone Africa/Tunis`
* Add at least one timezone to the Gnome World Clocks that does have DST, e.g.
London or Paris.
* Wait for DST to change in the other timezone.
* Note the incorrect 'timezone offset' column for the remote timezone(s)
(circled in red in the left-hand screenshot). Interestingly, the 'time' column
is correct for every timezone.
* Change the system timezone and then change it back, e.g. `sudo timedatectl
set-timezone America/Los_Angeles && sudo timedatectl set-timezone Africa/Tunis`
--OR-- reboot.
* Note the 'timezone offset' column is correct now (the right-hand screenshot).
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gnome-shell 46.0-0ubuntu6~24.04.5
ProcVersionSignature: Ubuntu 6.8.0-47.47-generic 6.8.12
Uname: Linux 6.8.0-47-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 28 19:55:11 2024
DisplayManager: gdm3
InstallationDate: Installed on 2024-06-08 (142 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 46.2-1ubuntu0.24.04.2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
** Attachment added: "2 screenshots showing the problem"
https://bugs.launchpad.net/bugs/2085794/+attachment/5832511/+files/incorrect%20time%20zone%20offset.png
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https://bugs.launchpad.net/bugs/2085794
Title:
Incorrect timezone offset displayed in World Clocks under certain
conditions
Status in gnome-shell package in Ubuntu:
New
Bug description:
I have observed this bug in Ubuntu 22.04 and Ubuntu 24.04.
To reproduce:
* Set the system time to a timezone that does not have DST, e.g. `sudo
timedatectl set-timezone Africa/Tunis`
* Add at least one timezone to the Gnome World Clocks that does have DST,
e.g. London or Paris.
* Wait for DST to change in the other timezone.
* Note the incorrect 'timezone offset' column for the remote timezone(s)
(circled in red in the left-hand screenshot). Interestingly, the 'time' column
is correct for every timezone.
* Change the system timezone and then change it back, e.g. `sudo timedatectl
set-timezone America/Los_Angeles && sudo timedatectl set-timezone Africa/Tunis`
--OR-- reboot.
* Note the 'timezone offset' column is correct now (the right-hand
screenshot).
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gnome-shell 46.0-0ubuntu6~24.04.5
ProcVersionSignature: Ubuntu 6.8.0-47.47-generic 6.8.12
Uname: Linux 6.8.0-47-generic x86_64
NonfreeKernelModules: zfs
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 28 19:55:11 2024
DisplayManager: gdm3
InstallationDate: Installed on 2024-06-08 (142 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 46.2-1ubuntu0.24.04.2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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