What is the defining characteristic of a Seasonal Black Moon?

Answer

The third New Moon of an astronomical season that contains four New Moons.

The Seasonal Black Moon is defined as the third New Moon when a season manages to fit four New Moons, acting as the counterpart to the definition of a Blue Moon (an extra Full Moon in a season).

What is the defining characteristic of a Seasonal Black Moon?

#Videos

A Black Moon Is Coming — See Why It's So Rare! - YouTube

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