Conversion number between year (Julian) [a, y, or yr] and month (Gregorian average) [mo] is 12.000246411631. This means, that year (Julian) is bigger unit than month (Gregorian average).
Switch to reverse conversion:
from month (Gregorian average) to year (Julian) conversion
| [a, y, or yr] |
Result in month (Gregorian average)
?If conversion between year (Julian) to second and second to month (Gregorian average) is exactly definied, high precision conversion from year (Julian) to month (Gregorian average) is enabled.
Decimal places: (0-800)
year (Julian)| Start value: | [year (Julian)] |
| Step size | [year (Julian)] |
| How many lines? | (max 100) |
| year (Julian) | month (Gregorian average) |
|---|---|
| 0 | 0 |
| 10 | 120.00246411631 |
| 20 | 240.00492823261 |
| 30 | 360.00739234892 |
| 40 | 480.00985646523 |
| 50 | 600.01232058153 |
| 60 | 720.01478469784 |
| 70 | 840.01724881414 |
| 80 | 960.01971293045 |
| 90 | 1080.0221770468 |
| 100 | 1200.0246411631 |
| 110 | 1320.0271052794 |
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 month (Gregorian average) unit: = 30.436875 d. Average Gregorian month is calculated from average Gregorian Year divided by 12 month: 365.2425 days / 12 months × 86400 sec ≈ 2.6297 Ms
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