How many synodic month in 1 gigasecond? The answer is 391.93510432607. We assume you are converting between synodic month and gigasecond. You can view more details on each measurement unit: synodic month or gigasecond The SI base unit for time is the second. 1 second is equal to 3.9193510432607E-7 synodic month, or 1.0E-9 gigasecond. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between months and gigaseconds. Type in your own numbers in the form to convert the units!
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1 synodic month to gigasecond = 0.00255 gigasecond
10 synodic month to gigasecond = 0.02551 gigasecond
50 synodic month to gigasecond = 0.12757 gigasecond
100 synodic month to gigasecond = 0.25514 gigasecond
200 synodic month to gigasecond = 0.51029 gigasecond
500 synodic month to gigasecond = 1.27572 gigasecond
1000 synodic month to gigasecond = 2.55144 gigasecond
You can do the reverse unit conversion from gigasecond to synodic month, or enter any two units below:
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.
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigasecond = 109 arcseconds.
The definition of a second is as follows:
A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.
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