How many millicentury in 1 sidereal month? The answer is 0.74802633913859. We assume you are converting between millicentury and sidereal month. You can view more details on each measurement unit: millicentury or sidereal month The SI base unit for time is the second. 1 second is equal to 3.1688087814029E-7 millicentury, or 4.2362262070237E-7 sidereal month. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millicenturies and months. 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 millicentury to sidereal month = 1.33685 sidereal month
5 millicentury to sidereal month = 6.68426 sidereal month
10 millicentury to sidereal month = 13.36851 sidereal month
15 millicentury to sidereal month = 20.05277 sidereal month
20 millicentury to sidereal month = 26.73703 sidereal month
25 millicentury to sidereal month = 33.42128 sidereal month
30 millicentury to sidereal month = 40.10554 sidereal month
40 millicentury to sidereal month = 53.47405 sidereal month
50 millicentury to sidereal month = 66.84257 sidereal month
You can do the reverse unit conversion from sidereal month to millicentury, or enter any two units below:
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millicentury = 10-3 centuries.
The definition of a century is as follows:
A century is a period of 100 years, which can have either 24 or 25 leap years, depends on whether the year xx00 is a leap year or not.
We assume there are 25 leap year days in a typical century. A non-leap year of 365 days would have 86,400 * 365 = 31,536,000 seconds in it. Adding another 25 days adds 2,160,000 seconds, so there are a total of 3,155,760,000 seconds in a century that has 25 leap years.
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).
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