Incorrect time zone detected

[Jeff Chase]

Ubuntu version: 22.04.3 LTS
gnome-settings-daemon version: 42.1-1ubuntu2.2

My system is incorrectly setting the time zone to "MST (Denver, United States)" while I am currently in Austin, TX which is CST.

geoclue shows the correct latitude/longitude:

$ /usr/libexec/geoclue-2.0/demos/where-am-i
Geolocation service in use
Client object: /org/freedesktop/GeoClue2/Client/7

New location:
Latitude: 30.376800°
Longitude: -97.893500°
Accuracy: 5000.000000 meters
Timestamp: Thu 07 Dec 2023 09:36:18 PM MST (1702010178 seconds since the Epoch)

which corresponds to Austin, TX.
My syslog shows 1000s of assertion errors in gsd-datetime:

Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: g_object_ref: assertion 'G_IS_OBJECT (object)' failed
Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: message repeated 302 times: [ g_object_ref: assertion 'G_IS_OBJECT (object)' failed]
Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: g_object_ref: assertion 'G_IS_OBJECT (object)' failed
Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: message repeated 1315 times: [ g_object_ref: assertion 'G_IS_OBJECT (object)' failed]
Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: gweather_location_has_coords: assertion 'loc != NULL' failed
Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: gweather_location_get_city_name: assertion 'loc != NULL' failed
Dec 6 00:06:31 jnchase-thinkpad gsd-datetime[1964]: gweather_location_get_country: assertion 'loc != NULL' failed

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-settings-daemon 42.1-1ubuntu2.2
ProcVersionSignature: Ubuntu 5.14.0-1059.67-oem 5.14.21
Uname: Linux 5.14.0-1059-oem x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu Dec 7 23:57:53 2023
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-sutton-focal-amd64-20220425-68+sutton-focal-amd64+X02
InstallationDate: Installed on 2022-05-10 (576 days ago)
InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20220425-07:09
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-settings-daemon
UpgradeStatus: Upgraded to jammy on 2023-06-15 (175 days ago)