# year (common) to year (Julian) conversion

Conversion number between year (common) [a, y, or yr] and year (Julian) [a, y, or yr] is 0.99931553730322. This means, that year (common) is smaller unit than year (Julian).

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Switch to reverse conversion:
from year (Julian) to year (common) conversion

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

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

Result in year (Julian)

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

### Calculation process of conversion value

• 1 year (common) = (exactly) (31536000) / (31557600) = 0.99931553730322 year (Julian)
• 1 year (Julian) = (exactly) (31557600) / (31536000) = 1.0006849315068 year (common)
• ? year (common) × (31536000  ("s"/"year (common)")) / (31557600  ("s"/"year (Julian)")) = ? year (Julian)

### High precision conversion

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

Decimal places: (0-800)

year (common)
Result in year (Julian):
?

### year (common) to year (Julian) conversion chart

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

visual:
year (common)year (Julian)
00
109.9931553730322
2019.986310746064
3029.979466119097
4039.972621492129
5049.965776865161
6059.958932238193
7069.952087611225
8079.945242984257
9089.93839835729
10099.931553730322
110109.92470910335
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## Multiple conversion

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

Converted numbers in year (Julian):
Click to select all

## Details about year (common) and year (Julian) units:

Convert Year (common) to other unit:

### year (common)

Definition of year (common) unit: 365 d. The year commonly has 365 days (except the leap year)

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.

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