Year (sidereal)

Year (sidereal) is time unit, symbol: [a, y, or yr]. Definition of 1 year (sidereal) ≈ 365.256363004 d. Sidereal year is a time taken for Sun to return to the same position with respect to the stars of the celestial sphere, approximately 365.256363 days.. Compared to second, year (sidereal) is bigger unit.

• 1 [a, y, or yr] = `31558149.7635456` [s]

• 1 [s] = `1/(31558149.7635456)` [a, y, or yr] = 3.1687535786878 × 10-8 [a, y, or yr]


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Multiply convert of year (sidereal) to common time units:

[a, y, or yr]
=? nanoseconds
=? microsecond
=? millisecond
=? second
=? kiloseconds
=? century
=? day
=? decade
=? hour
=? minute
=? month (full)
=? month (Gregorian average)
=? week
=? year (common)
=? year (Gregorian)
=? blink

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From the mean longitude referred to the mean ecliptic and the equinox J2000 given in Simon et al., 1994, Astron. Astrophys., 282, 663. http://hpiers.obspm.fr/eop-pc/...

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