Full name: draconic month
Plural form: months
Symbol: mo
Alternate spelling: draconic months
Category type: time
Scale factor: 2351135.808
The SI base unit for time is the second.
1 second is equal to 4.2532634507857E-7 draconic month.
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The draconic month or nodal month is the period in which the Moon returns to the same node of its orbit; the nodes are the two points where the Moon's orbit crosses the plane of the Earth's orbit. Its duration is about 27.21222 days on average.