Conversion number between day (sidereal) [d (sidereal)] and Metonic cycle; enneadecaeteris is 0.00014369878477364. This means, that day (sidereal) is smaller unit than Metonic cycle; enneadecaeteris.
Switch to reverse conversion:
from Metonic cycle; enneadecaeteris to day (sidereal) conversion
| [d (sidereal)] |
Result in Metonic cycle; enneadecaeteris
?If conversion between day (sidereal) to second and second to Metonic cycle; enneadecaeteris is exactly definied, high precision conversion from day (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: | [day (sidereal)] |
| Step size | [day (sidereal)] |
| How many lines? | (max 100) |
| day (sidereal) | Metonic cycle; enneadecaeteris |
|---|---|
| 0 | 0 |
| 10 | 0.0014369878477364 |
| 20 | 0.0028739756954729 |
| 30 | 0.0043109635432093 |
| 40 | 0.0057479513909457 |
| 50 | 0.0071849392386822 |
| 60 | 0.0086219270864186 |
| 70 | 0.010058914934155 |
| 80 | 0.011495902781891 |
| 90 | 0.012932890629628 |
| 100 | 0.014369878477364 |
| 110 | 0.015806866325101 |
Definition of day (sidereal) unit: ≈ 23 h, 56 min, 4.0916 sec. A sidereal day is the time needed for the Earth to rotate once around its axis so that the distant stars appear in the same position in the sky. This is ~4 minutes shorter than the solar day.
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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