# year (Julian) to month (hollow) conversion

Conversion number between year (Julian) [a, y, or yr] and month (hollow) [mo] is 12.594827586207. This means, that year (Julian) is bigger unit than month (hollow).

### Contents [show][hide]

Switch to reverse conversion:
from month (hollow) to year (Julian) conversion

### Enter the number in year (Julian):

Decimal Fraction Exponential Expression
 [a, y, or yr]
eg.: 10.12345 or 1.123e5

Result in month (hollow)

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 year (Julian) = (exactly) (31557600) / (2505600) = 12.594827586207 month (hollow)
• 1 month (hollow) = (exactly) (2505600) / (31557600) = 0.079397672826831 year (Julian)
• ? year (Julian) × (31557600  ("s"/"year (Julian)")) / (2505600  ("s"/"month (hollow)")) = ? month (hollow)

### High precision conversion

If conversion between year (Julian) to second and second to month (hollow) is exactly definied, high precision conversion from year (Julian) to month (hollow) is enabled.

Decimal places: (0-800)

year (Julian)
Result in month (hollow):
?

### year (Julian) to month (hollow) conversion chart

 Start value: [year (Julian)] Step size [year (Julian)] How many lines? (max 100)

visual:
year (Julian)month (hollow)
00
10125.94827586207
20251.89655172414
30377.84482758621
40503.79310344828
50629.74137931034
60755.68965517241
70881.63793103448
801007.5862068966
901133.5344827586
1001259.4827586207
1101385.4310344828
Copy to Excel

## Multiple conversion

Enter numbers in year (Julian) and click convert button.
One number per line.

Converted numbers in month (hollow):
Click to select all

## Details about year (Julian) and month (hollow) units:

Convert Year (Julian) to other unit:

### year (Julian)

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.

Convert Month (hollow) to other unit:

### month (hollow)

Definition of month (hollow) unit: ≡ 29 d. Hollow month = 29 days × 86400 sec.

← Back to Time units