SIDEREAL YEAR


Meaning of SIDEREAL YEAR in English

[sidereal year] n (1681): the time in which the earth completes one revolution in its orbit around the sun measured with respect to the fixed stars: 365 days,

6. hours,

9. minutes, and 9.5 seconds of mean time

Merriam-Webster English vocab.      Английский словарь Merriam Webster.