It was made because I need to reference Perth time (UTC+8) all the time.
Click on the displayed "alternate" time; selection from the dropdown is saved for future logins.
mkdir -p ~/.local/share/gnome-shell/extensions cd ~/.local/share/gnome-shell/extensions/ git clone https://github.com/mibus/MultiClock.git MultiClock@mibus.org
Just edit the files in ~/.local/share/gnome-shell/extensions/MultiClock@mibus.org/
Under X11, using Alt-F2 to run
r will cause a gnome-shell reload (and thus pick up the edited extension).
Under Wayland, there's no ability to reload just gnome-shell, so you're better off doing development in a nested environment that you can readily restart:
dbus-run-session -- gnome-shell --nested --wayland
This extension is distributed under the terms of the GNU General Public License, version 2 or later. See the LICENSE file for details.