# instructions input month length and year length press space a bunch # notes - this is for finding a lunisolar cycle for calendar building in fictional worlds - i recommend you use the synodic month and tropical year. - if you input the values for earth, you can see the best cycle up until the one with 334 years is the one with 19 years and 235 synodic months, which is known as the Metonic Cycle and has been known for millennia
