Conversion number between year (Julian) [a, y, or yr] and Metonic cycle; enneadecaeteris is 0.052629682997118. This means, that year (Julian) is smaller unit than Metonic cycle; enneadecaeteris.
Switch to reverse conversion:
from Metonic cycle; enneadecaeteris to year (Julian) conversion
| [a, y, or yr] |
Result in Metonic cycle; enneadecaeteris
?If conversion between year (Julian) to second and second to Metonic cycle; enneadecaeteris is exactly definied, high precision conversion from year (Julian) to Metonic cycle; enneadecaeteris is enabled.
Decimal places: (0-800)
year (Julian)| Start value: | [year (Julian)] |
| Step size | [year (Julian)] |
| How many lines? | (max 100) |
| year (Julian) | Metonic cycle; enneadecaeteris |
|---|---|
| 0 | 0 |
| 10 | 0.52629682997118 |
| 20 | 1.0525936599424 |
| 30 | 1.5788904899135 |
| 40 | 2.1051873198847 |
| 50 | 2.6314841498559 |
| 60 | 3.1577809798271 |
| 70 | 3.6840778097983 |
| 80 | 4.2103746397695 |
| 90 | 4.7366714697406 |
| 100 | 5.2629682997118 |
| 110 | 5.789265129683 |
Definition of year (Julian) unit: = 365.25 d average. The basic calendar year has 365 days, but in fact the Earth needs a little more time around the sun. The Julian calendar compensated this with leap year (every fourth year had 366 days). According to the formula, a Julian year has 365 + 1/4 = 365.25 days. But even with this compensation, the astronomical year slip 0.78 days every 100 years into real seasons. Therefore, most countries have moved to the Gregorian calendar introduced in 1582.
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
← Back to Time units
