Conversion number between month (sidereal) and Metonic cycle; enneadecaeteris is 0.0039368387608069. This means, that month (sidereal) is smaller unit than Metonic cycle; enneadecaeteris.
Switch to reverse conversion:
from Metonic cycle; enneadecaeteris to month (sidereal) conversion
| month (sidereal) |
Result in Metonic cycle; enneadecaeteris
?If conversion between month (sidereal) to second and second to Metonic cycle; enneadecaeteris is exactly definied, high precision conversion from month (sidereal) to Metonic cycle; enneadecaeteris is enabled.
Since definition contain rounded number(s) too, there is no sense for high precision calculation, but if you want, you can enable it. Keep in mind, that converted number will be inaccurate due this rounding error!
| Start value: | [month (sidereal)] |
| Step size | [month (sidereal)] |
| How many lines? | (max 100) |
| month (sidereal) | Metonic cycle; enneadecaeteris |
|---|---|
| 0 | 0 |
| 10 | 0.039368387608069 |
| 20 | 0.078736775216138 |
| 30 | 0.11810516282421 |
| 40 | 0.15747355043228 |
| 50 | 0.19684193804035 |
| 60 | 0.23621032564841 |
| 70 | 0.27557871325648 |
| 80 | 0.31494710086455 |
| 90 | 0.35431548847262 |
| 100 | 0.39368387608069 |
| 110 | 0.43305226368876 |
Definition of month (sidereal) unit: ≈ 27.321661 days. "It is the time it takes the Moon to go around Earth measured from a fixed point. Sideric month is not completely constant, an average value has been used for calculating."
Definition of Metonic cycle; enneadecaeteris unit: ≡ 6940 d. For astronomy and calendar studies, the Metonic cycle or Enneadecaeteris is a period of very close to 19 years that is nearly a common multiple of the solar year and the synodic month. ≡ 110 mo (hollow) + 125 mo (full) = 6940 d ≈ 19 a = 599.616 Ms
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