Unit definitions

Julian Year

A Julian year has $365.25$ days. A light year is the distance light travels in a Julian year in a vacuum.

Year

$365.242\,5$ days is equal to a year. It is defined using the Gregorian calendar. In the this calendar, there are $365.242\,5$ days in a year, and it is the most widely used calendar in the world.

How to convert Julian Year to Year

$$\text{Time}_{\text{yr}} = \text{Time}_{\text{a}} \cdot 1.000020534302552413807265036243044$$

Examples

Example 1

Convert $45.0\ \text{a}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = 45.0 \cdot 1.000020534302552413807265036243044$$

$$\text{Time}_{\text{yr}} = 45.000924$$

$$\therefore \ 45.0\ \text{a} = 45.000924 \ \text{yr}$$

Example 2

Convert $80.0\ \text{a}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = 80.0 \cdot 1.000020534302552413807265036243044$$

$$\text{Time}_{\text{yr}} = 80.001643$$

$$\therefore \ 80.0\ \text{a} = 80.001643 \ \text{yr}$$

Example 3

Convert $110.0\ \text{a}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = 110.0 \cdot 1.000020534302552413807265036243044$$

$$\text{Time}_{\text{yr}} = 110.002259$$

$$\therefore \ 110.0\ \text{a} = 110.002259 \ \text{yr}$$

Example 4

Convert $145.0\ \text{a}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = 145.0 \cdot 1.000020534302552413807265036243044$$

$$\text{Time}_{\text{yr}} = 145.002977$$

$$\therefore \ 145.0\ \text{a} = 145.002977 \ \text{yr}$$

Example 5

Convert $170.0\ \text{a}$ to $\text{yr}$.

$$\text{Time}_{\text{yr}} = 170.0 \cdot 1.000020534302552413807265036243044$$

$$\text{Time}_{\text{yr}} = 170.003491$$

$$\therefore \ 170.0\ \text{a} = 170.003491 \ \text{yr}$$

Julian Year to Year conversion table

Julian Year to Year conversion table

Julian Year [a]	Year [yr]
1	1.000021
2	2.000041
3	3.000062
4	4.000082
5	5.000103
6	6.000123
7	7.000144
8	8.000164
9	9.000185
10	10.000205

Convert Julian Year to other Time units

Convert Julian Year to other Time units

Julian Year [a]	Other unit
1	3.15576E+7 Second [s]
1	3.15576E+10 Millisecond [ms]
1	3.15576E+13 Microsecond [μs]
1	3.15576E+16 Nanosecond [ns]
1	3.15576E+19 Picosecond [ps]
1	5.2596E+5 Minute [min]
1	8766 Hour [h]
1	365.25 Day [d]
1	52.178571 Week [wk]
1	12.000246 Month [mo]
1	0.100002 Decade [dec]
1	0.01 Century [C]