Convert Sidereal Years (a-sr) into other units of time e.g. s, d, hr, mo, a

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Let's convert Sidereal Years (a-sr) to another unit of Time

This quick and easy calculator will convert Sidereal Years (a-sr) into other units of time e.g. s, d, hr, mo, a

Choose a unit to convert Sidereal Years into:

Common
Days
(d)
Common
Hours
(hr)
Common
Months
(mo)
Common
Seconds
(s)
Common
Years
(a)
Minutes
(min)
Sidereal Days
(d-sr)
Sidereal Hours
(hr-sr)
Sidereal Minutes
(min-sr)
Sidereal Seconds
(s-sr)
Tropical Years
(at)

Unit Information

Sidereal Year
/sʌɪˈdɪərɪəl jɪə,jəː/
Symbol: a-sr
Unit System: SI

What is the Sidereal Year?

The sidereal year is a unit of time that is a multiple of an SI unit. We have used the symbol a-sr.

From the Latin ‘sidus’ for ‘star’, sidereal is a term used to describe the orbital time of the earth or an object to complete one full cycle with respect to a fixed, distant star or constellation pattern.

The sidereal year is defined as 365.242 190 402 days of 86,400 SI seconds. This is 20 minutes and 24.5 seconds longer than a tropical year.