It's got some kind of Asian movement but I don't even think those subdials would work at all. I've never seen a full calendar from Asia.
Haha thinking the same thing. I guess from ON the moon wouldn't be able to see the moon phases, of course! Duh.
Erm. It’s to know when they can travel to the moon. Obviously if it’s a new moon, there won’t be a moon to stand on?