I'm reading about Antikythera machine and its functions. So I read about solar cycle and moon cycle and how they used 19 solar years to compare with 235 lunar cycles.
So this is my question: They know about leap day at the time (~ 200 BC)?
Astronomy Stack Exchange is a question and answer site for astronomers and astrophysicists. It only takes a minute to sign up.
Sign up to join this communityI'm reading about Antikythera machine and its functions. So I read about solar cycle and moon cycle and how they used 19 solar years to compare with 235 lunar cycles.
So this is my question: They know about leap day at the time (~ 200 BC)?
Well, they know according to the Metonic Calendar created in ~430 B.C.
To know more about click here.