wmMoonClock(1) on Linux
The text 899965c2455b, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
Dockable Moon Phase Clock
Flags it lists
-
-bc -
-dc -
-display -
-h -
-lat -
-lc -
-lon -
-low