This is another temporal hours clock - the romans had 12 between Sunrise and Sunset, and 12 between Sunset and Sunrise.
Tested with Watchy 1.4.10
Tools >> Manage Libraries >> Add "Sunset" (tested with 1.1.7)
There are 3 modes, which can be switched between by the right buttons;
Mode 1, suggested by @[email protected] - Sun is down, you only have the moon...phase
Mode 2,
Mode 3, When you don't want to forsake modernity as much. I mean, they don't have zero, but.
Based on https://romanti.me/ by @[email protected]