Given that nothing significant has changed with ubiquity in the past couple of days and you've had different results on the same hardware I'm suspecting this is either a race condition or something with your network. Have you seen any other bug reports about ubiquity where people are experiencing the same issue as you?
** Changed in: ubiquity (Ubuntu Hirsute) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1903312 Title: Ubiquity not selecting correct timezone when connected to Internet To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/geoip-database/+bug/1903312/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs