Home / Time Conversion / Convert year (tropical) to year (sidereal)
Convert year (tropical) to year (sidereal)
Please provide values below to Convert year (tropical) to year (sidereal), or vice versa.
What is a Tropical Year?
The Tropical Year is the time the Sun takes to return to the same position in the cycle of seasons, about 365.2422 days. It’s the basis for the Gregorian calendar year.
What is a Sidereal Year?
The Sidereal Year is the time it takes Earth to orbit the Sun relative to fixed stars, approximately 365.2564 days. It is slightly longer than the tropical year.
year (tropical) to year (sidereal) Conversion Table
| year (tropical) | year (sidereal) |
|---|---|
| 0.01 year (tropical) | 0.00999961355782 year (sidereal) |
| 0.1 year (tropical) | 0.0999961355782 year (sidereal) |
| 1 year (tropical) | 0.999961355782 year (sidereal) |
| 2 year (tropical) | 1.99992271156 year (sidereal) |
| 3 year (tropical) | 2.99988406735 year (sidereal) |
| 5 year (tropical) | 4.99980677891 year (sidereal) |
| 10 year (tropical) | 9.99961355782 year (sidereal) |
| 20 year (tropical) | 19.9992271156 year (sidereal) |
| 50 year (tropical) | 49.9980677891 year (sidereal) |
| 100 year (tropical) | 99.9961355782 year (sidereal) |
| 1000 year (tropical) | 999.961355782 year (sidereal) |
How to Convert year (tropical) to year (sidereal)
1 year (tropical) = 0.99996135578233 year (sidereal)
1 year (sidereal) = 1.0000386457111 year (tropical)
Example: convert 15 year (tropical) to year (sidereal):
15 × 0.99996135578233 = 14.999420336735 year (sidereal)