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Convert tropical year to stellar year

Here you can quickly calculate how many stellar year fit in one tropical year.

- scroll: formula · table · questions -

  • 1 = 0.999961
  • 1 = 1.000039

Tropical year to stellar year conversion table

tropical year stellar year
1 0.999961
2 1.999922
5 4.999806
10 9.999612
20 19.999224
50 49.998061
100 99.996122

Tropical year to stellar year formula

To convert tropical year to stellar year, multiply by 0.999961.

1 = 0.999961
Example: 1 tropical year = 0.999961 stellar year

Common time conversion mistakes

  • 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 and stellar year conversion quiz

Score: 0

10.4 stellar year equals 12 tropical year.

Correct answer: 10.4 stellar year = 10.4 tropical year.

21.8 tropical year equals 24 stellar year.

Correct answer: 21.8 tropical year = 21.8 stellar year.

6.7 tropical year equals 7.7 stellar year.

Correct answer: 6.7 tropical year = 6.7 stellar year.

4.1 stellar year equals 4.1 tropical year.

Correct answer: 4.1 stellar year = 4.1 tropical year.

92 stellar year equals 92 tropical year.

Correct answer: 92 stellar year = 92 tropical year.

More time conversions