Public bug reported:
Nautilus displays file timestamps one hour behind system time after
Alberta timezone change
Description:
Following Alberta's transition to year-round UTC−6 on November 1, 2026,
GNOME Files (Nautilus) displays file creation, access, and modification
timestamps one hour earlier than the actual timestamps.
The problem occurs on two separate computers running Ubuntu 26.04.
Expected behaviour:
A file created at 15:30:05 should display that timestamp in Nautilus.
Actual behaviour:
Nautilus displays 14:30:05, while the terminal reports 15:30:05.
System information:
Ubuntu 26.04
GNOME Shell 50.1
Nautilus 50.2.2
GLib 2.88.0
tzdata 2026e
Timezone: America/Edmonton
System UTC offset: −0600
Diagnostic results:
timedatectl confirms the correct UTC−6 offset.
stat displays the correct file timestamps.
Python and GLib both correctly interpret the timestamps.
Restarting Nautilus does not resolve the discrepancy.
Launching Nautilus with TZ=America/Edmonton still produces incorrect
timestamps.
Launching Nautilus with TZ=Etc/GMT+6 displays the correct timestamps.
The issue occurs with files created by both the terminal and
LibreOffice.
The issue also occurs on a second Ubuntu 26.04 computer after multiple
reboots.
Conclusion:
The problem appears to involve timezone interpretation within Nautilus
or a component it uses. The underlying filesystem timestamps are
correct.
No permanent workaround has been applied.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: nautilus 1:50.2.2-0ubuntu0.2
ProcVersionSignature: Ubuntu 7.0.0-42.42-generic 7.0.14
Uname: Linux 7.0.0-42-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Nov 3 15:37:01 2026
InstallationDate: Installed on 2025-12-28 (310 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
SourcePackage: nautilus
UpgradeStatus: Upgraded to resolute on 2026-10-01 (34 days ago)
usr_lib_nautilus: papers 50.2-0ubuntu0.1
** Affects: nautilus (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2172881
Title:
Nautilus displays file timestamps one hour behind system time after
Alberta timezone change
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