![]() | For astronomy and calendar studies, the Callippic cycle (or Calippic) is a particular approximate common multiple of the year (specifically the tropical year) and the synodic month, that was proposed by Callippus during 330 BC.
It is a period of 76 years, as an improvement of the 19-year Metonic cycle. 1 callippic cycle = 76 years |
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