How many sidereal year in 1 day? The answer is 0.0027378031145029. We assume you are converting between sidereal year and day. You can view more details on each measurement unit: sidereal year or day The SI base unit for time is the second. 1 second is equal to 3.1687536047488E-8 sidereal year, or 1.1574074074074E-5 day. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between years and days. Type in your own numbers in the form to convert the units!
You may also want to find out how many days are between two dates on the calendar. Use the date calculatorto get your age in days or measure the duration of an event.
1 sidereal year to day = 365.25636 day
2 sidereal year to day = 730.51272 day
3 sidereal year to day = 1095.76908 day
4 sidereal year to day = 1461.02544 day
5 sidereal year to day = 1826.2818 day
6 sidereal year to day = 2191.53816 day
7 sidereal year to day = 2556.79452 day
8 sidereal year to day = 2922.05088 day
9 sidereal year to day = 3287.30724 day
10 sidereal year to day = 3652.5636 day
You can do the reverse unit conversion from day to sidereal year, or enter any two units below:
A sidereal year (from Latin sidus "asterism, star") is the time taken by the Earth to orbit the Sun once with respect to the fixed stars. Hence it is also the time taken for the Sun to return to the same position with respect to the fixed stars after apparently travelling once around the ecliptic. It equals 365.25636 SI days for the J2000.0 epoch.
A continuous period of 24 hours which, unless the context otherwise requires, runs from midnight to midnight.
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