How many seconds in 1 sidereal month?
The answer is 2360591.6.
We assume you are converting between second and sidereal month.
You can view more details on each measurement unit: seconds or
sidereal month
The SI base unit for time is the second.
1 second is equal to 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 seconds and months.
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You can do the reverse unit conversion from
sidereal month to seconds, or enter any two units below:

The second (symbol s) is a unit for time, and one of seven SI base units. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at zero kelvins.

››Definition: Month

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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