Here is the debdiff for jammy. debian/test_timezone_conversions found even more inconsistencies in jammy:
ERROR: Following 4 timezones cannot be selected, but are not converted: America/Fort_Wayne America/Indianapolis America/Knox_IN America/Louisville ERROR: Following 3 timezones are conversion targets, but are not available: Asia/Riyadh87 Asia/Riyadh88 Asia/Riyadh89 ERROR: Following 4 timezones are conversion targets, but are not selectable: America/Indianapolis Asia/Riyadh87 Asia/Riyadh88 Asia/Riyadh89 ERROR: Following 1 timezones are converted, but they do not match their symlink targets: US/Indiana-Starke ** Patch added: "tzdata_2024a-0ubuntu0.22.04.1.debdiff" https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/2055718/+attachment/5761748/+files/tzdata_2024a-0ubuntu0.22.04.1.debdiff -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to tzdata in Ubuntu. https://bugs.launchpad.net/bugs/2055718 Title: timezone changed unexpectedly from EST to America/Adak or America/Indiana/Indianapolis Status in tzdata package in Ubuntu: Fix Committed Status in tzdata source package in Focal: New Status in tzdata source package in Jammy: New Status in tzdata source package in Mantic: New Bug description: A user reported this regression on https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/2052739: UPDATE: I don't think it's a regression anymore, see comment #5 """ Hello. After automatic upgrade of tzdata from 2023c-0ubuntu0.22.04.2 to 2024a-0ubuntu0.22.04 the previously set EST time zone was automatically changed to "America/Adak" or "America/Indiana/Indianapolis" on all our servers (50+). Look like a bug in tzdata configure script. """ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/2055718/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp