Convert tropical year to sidereal year
Here you can quickly calculate how many sidereal year fit in one tropical year.
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- scroll: formula · table · questions -
- 1 = 0.999961
- 1 = 1.000039
Conversion from tropical year to sidereal year example
- 1 tropical year = 0.999961 sidereal year
Tropical year to sidereal year conversion table
| tropical year | sidereal year |
|---|---|
| 1 | 0.999961 |
| 2 | 1.999922 |
| 5 | 4.999806 |
| 10 | 9.999612 |
| 20 | 19.999224 |
| 50 | 49.998061 |
| 100 | 99.996121 |
Formula to convert tropical year to sidereal year
To convert tropical year to sidereal year, multiply by 0.999961.
1 = 0.999961
Example: 1 tropical year = 0.999961 sidereal year
Common mistakes in time conversion
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There are several year definitions: the Julian year is exactly 365.25 days, the Gregorian calendar year 365.2425, and the tropical year about 365.2422 days. For everyday use the differences are negligible, but they matter in astronomy, the light-year, for instance, is defined using the Julian year.
Quick tropical year to/from sidereal year conversion quiz
Score:
0
170 sidereal year equals 187 tropical year.
Correct answer: 170 sidereal year = 170 tropical year.
45 tropical year equals 45 sidereal year.
Correct answer: 45 tropical year = 45 sidereal year.
192 sidereal year equals 192 tropical year.
Correct answer: 192 sidereal year = 192 tropical year.
241 sidereal year equals 241 tropical year.
Correct answer: 241 sidereal year = 241 tropical year.
4.8 tropical year equals 5.28 sidereal year.
Correct answer: 4.8 tropical year = 4.8 sidereal year.