For Omnibus installations, run `gitlab-rake time:zones:all`.
NOTE: **Note:**
Currently, this rake task does not list timezones in TZInfo format required by GitLab Omnibus during a reconfigure: [#58672](https://gitlab.com/gitlab-org/gitlab-ce/issues/58672).
To obtain a list of timezones, log in to your GitLab application server and run a command that generates a list of timezones in TZInfo format for the server. For example, install `timedatectl` and run `timedatectl list-timezones`.
To update, add the timezone that best applies to your location. For example: