How many sidereal month in 1 day? The answer is 0.036600994428685. We assume you are converting between sidereal month and day. You can view more details on each measurement unit: sidereal month or day The SI base unit for time is the second. 1 second is equal to 4.2362262070237E-7 sidereal month, 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 months 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 month to day = 27.32166 day
2 sidereal month to day = 54.64332 day
3 sidereal month to day = 81.96499 day
4 sidereal month to day = 109.28665 day
5 sidereal month to day = 136.60831 day
6 sidereal month to day = 163.92997 day
7 sidereal month to day = 191.25163 day
8 sidereal month to day = 218.5733 day
9 sidereal month to day = 245.89496 day
10 sidereal month to day = 273.21662 day
You can do the reverse unit conversion from day to sidereal month, or enter any two units below:
The sidereal month is defined as the Moon's orbital period in a non-rotating frame of reference (which on average is equal to its rotation period in the same frame). It is about 27.32166 days (27 days, 7 hours, 43 minutes, 11.6 seconds). The exact duration of the orbital period cannot be easily determined, because the 'non-rotating frame of reference' cannot be observed directly. However, it is approximately equal to the time it takes the Moon to pass twice a "fixed" star (different stars give different results because all have proper motions and are not really fixed in position).
A continuous period of 24 hours which, unless the context otherwise requires, runs from midnight to midnight.
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