I think I know what the problem is:
A lot of timezone files in /usr/share/zoneinfo/ are the same and probably tz commands can't figure which country is which.
In my case:
$ md5sum /usr/share/zoneinfo/Europe/Belgrade
226ad0c2724b4674d6a9206a43661ff9 /usr/share/zoneinfo/Europe/Belgrade
I think I know what the problem is: zoneinfo/ are the same and probably tz commands can't figure which country is which.
A lot of timezone files in /usr/share/
In my case: zoneinfo/ Europe/ Belgrade 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Belgrade
$ md5sum /usr/share/
226ad0c2724b467
$ md5sum /usr/share/ zoneinfo/ Europe/ Sarajevo 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Sarajevo
226ad0c2724b467
$ md5sum /usr/share/ zoneinfo/ Europe/ * | grep 226ad0c2724b467 4d6a9206a43661f f9 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Belgrade 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Ljubljana 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Podgorica 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Sarajevo 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Skopje 4d6a9206a43661f f9 /usr/share/ zoneinfo/ Europe/ Zagreb
226ad0c2724b467
226ad0c2724b467
226ad0c2724b467
226ad0c2724b467
226ad0c2724b467
226ad0c2724b467