I tried to reproduce your problem, but everything that I tested worked on Ubuntu 22.04:
``` $ sudo timedatectl set-timezone Europe/Kyiv $ ls -alh /etc/localtime lrwxrwxrwx 1 root root 31 Apr 26 15:15 /etc/localtime -> /usr/share/zoneinfo/Europe/Kyiv $ cat /etc/timezone Europe/Kyiv $ timedatectl Local time: Mi 2023-04-26 15:18:45 EEST Universal time: Mi 2023-04-26 12:18:45 UTC RTC time: Mi 2023-04-26 12:18:44 Time zone: Europe/Kyiv (EEST, +0300) System clock synchronized: yes NTP service: active RTC in local TZ: no ``` The proposed workaround in the linked forum to set TZ=Europe/Kiev when calling teams indicate that the problem is in MS Teams. ** Summary changed: - Wrong Timezone Name - Kyiv instead of Kiev + Wrong Timezone Name - Kyiv instead of Kiev in MS Teams ** Summary changed: - Wrong Timezone Name - Kyiv instead of Kiev in MS Teams + Wrong Timezone Name in MS Teams - Kyiv instead of Kiev ** Changed in: tzdata (Ubuntu) Status: New => Incomplete -- 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/2017743 Title: Wrong Timezone Name in MS Teams - Kyiv instead of Kiev Status in tzdata package in Ubuntu: Incomplete Bug description: To solve MS Teams Calendar issue on Ubuntu, we need to update the time zone: > sudo timedatectl set-timezone Europe/Kyiv but it doesn't work, the only in old-fashioned spell 'kiev' works: > sudo timedatectl set-timezone Europe/Kiev So, is it possible to add the time zone 'Europe/Kyiv' to the list? Links: https://answers.microsoft.com/en-us/msteams/forum/all/wrong-time-in- the-ms-teams-linux-app/c14eced8-3b55-4be8-b0c2-a01015072df2 https://en.wikipedia.org/wiki/Kyiv To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/2017743/+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