Is the black moon really black? Everything to know about the rare black moon and when to watch the rare celestial event.

As the next full moon nears, a more rare new moon will grace tonight's sky, marking the end of 2024 — the black moon. Tonight's black moon is a rare celestial phenomena that happens roughly every 29 months or longer. The last one occurred in August of 2022 and the next won't come again until May of 2026.

Between December 30 and 31, skywatchers will witness a rare celestial event—the Black Moon, the final astronomical phenomenon of 2024.