Two Year Update

This perpetual calendar has been hibernating for several years, stuck in that netherworld between ideation and the huge amount of work that will need to occur to bring it to life. In order to get something to happen, I’ve scaled back my short term ambition- the plan now is to make something clock sized (rather than watch sized), that will be easy to prototype and debug.

Here’s a diagram that labels the main components. At a high level, the day lever advances the day wheel (once every day), and then the month lever advances the month wheel (once every month).