Black moon

For other uses, see Black Moon (disambiguation).

No single, universally accepted definition for the term black moon exists. It is not a term used in astronomy.

The first known use of term is in 2016. Among the meanings ascribed to it are these: a second new moon that appears in the same month; the third new moon in an astronomical season with four new moons; the absence of a new moon in February; or the absence of a full moon in February.


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