Convert month to metonic cycle (Enneadecaeteris)
Selected category: time.
Definition and details for month:
Here month is defined as 1/12 of a year, based on the average Gregorian year.
Definition and details for metonic cycle (Enneadecaeteris):
The Metonic cycle or Enneadecaeteris, is a particular approximate common multiple of the tropical year and the synodic (lunar) month. The Greek astronomer Meton of Athens observed that a period of 19 tropical years is almost exactly equal to 235 synodic months, and rounded to full days counts 6940 days.