How many sidereal month in 1 milliday? The answer is 3.6600994428685E-5. We assume you are converting between sidereal month and milliday. You can view more details on each measurement unit: sidereal month or milliday The SI base unit for time is the second. 1 second is equal to 4.2362262070237E-7 sidereal month, or 0.011574074074074 milliday. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between months and millidays. 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 milliday = 27321.66204 milliday
2 sidereal month to milliday = 54643.32407 milliday
3 sidereal month to milliday = 81964.98611 milliday
4 sidereal month to milliday = 109286.64815 milliday
5 sidereal month to milliday = 136608.31019 milliday
6 sidereal month to milliday = 163929.97222 milliday
7 sidereal month to milliday = 191251.63426 milliday
8 sidereal month to milliday = 218573.2963 milliday
9 sidereal month to milliday = 245894.95833 milliday
10 sidereal month to milliday = 273216.62037 milliday
You can do the reverse unit conversion from milliday 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).
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 milliday = 10-3 days.
The definition of a day is as follows:
A continuous period of 24 hours which, unless the context otherwise requires, runs from midnight to midnight.
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