During its "new moon" phase, the moon is always "black". It happens at that time of the month when the moon passes through the same part of the sky as the sun and as such, the moon's... The event of a black moon is an artefact of how the Gregorian calendar or the seasons map onto lunations. There is no physical or geometric difference between a black moon and other instances of a new moon. A Black Moon occurs when two new moons take place in a single month, making it a rare celestial event. The final Black Moon of 2024 is set to occur on December 30. During a new moon, the moon is ... A Black Moon is a special kind of New Moon, just as a Blue Moon is a special kind of Full Moon. Neither are astronomical terms; both are catch phrases for an unusual lunar calendar occurrence.
