How many sidereal year in 1 synodic month? The answer is 0.080848935698102. We assume you are converting between sidereal year and synodic month. You can view more details on each measurement unit: sidereal year or synodic month The SI base unit for time is the second. 1 second is equal to 3.1687536047488E-8 sidereal year, or 3.9193510432607E-7 synodic month. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between years 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 sidereal year to synodic month = 12.36875 synodic month
2 sidereal year to synodic month = 24.73749 synodic month
3 sidereal year to synodic month = 37.10624 synodic month
4 sidereal year to synodic month = 49.47499 synodic month
5 sidereal year to synodic month = 61.84373 synodic month
6 sidereal year to synodic month = 74.21248 synodic month
7 sidereal year to synodic month = 86.58123 synodic month
8 sidereal year to synodic month = 98.94997 synodic month
9 sidereal year to synodic month = 111.31872 synodic month
10 sidereal year to synodic month = 123.68747 synodic month
You can do the reverse unit conversion from synodic month 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 synodic month is the most familiar lunar cycle, defined as the time interval between two consecutive occurrences of a particular phase (such as new moon or full moon) as seen by an observer on Earth. The mean length of the synodic month is 29.53059 days (29 days, 12 hours, 44 minutes, 2.8 seconds). Due to the eccentricity of the lunar orbit around Earth (and to a lesser degree, the Earth’s elliptical orbit around the Sun), the length of a synodic month can vary by up to seven hours.
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