One of the rarest lunar events, happening only once every 29 months (about every 2 to 3 years), is set to occur on December 30, 2024. It’s called the Black Moon. While this phenomenon isn’t formally recognized in astronomical science, it’s deeply tied to the lunar phases and carries a mystique all its own.
If you’re wondering what exactly it means, the Black Moon happens when the new moon phase repeats twice in the same lunar cycle. But wait, there’s more: this isn’t the only way to define a Black Moon! And since this phenomenon occurs every 29 months, the next ones are slated for August 23, 2025, and May 2026.
What Is a Black Moon?
A Black Moon is essentially a special type of New Moon, just like a Blue Moon is a special type of Full Moon. Neither term is astronomically official—they’re more like cool nicknames for quirky lunar calendar events. Because of this, the definition of a Black Moon can vary.
Here are the main ways the Black Moon is defined:
- “The second new moon in a single month”
This is the most commonly used definition (and happens every 29 months). It’s exactly what will occur in December 2024. - “The third new moon in a season with four new moons”
Normally, each season (spring, summer, fall, winter) has three new moons. However, every 33 months, there’s a season with four new moons, and the third one is called a Black Moon. - “When there are no new moons in a month”
This can only happen in February, the shortest month, as it’s the only one that’s shorter than a full lunar cycle (about 29.5 days).

Can You See the Black Moon?
Unfortunately for moon enthusiasts, the Black Moon won’t be visible. Since it’s a New Moon, the lunar surface is completely dark as it aligns between the Earth and the Sun. Unlike a Blue Moon, which dazzles the night sky, the Black Moon is more about its timing than its visual presence.
However, there’s a silver lining: the absence of moonlight makes it a perfect night for stargazing! So while you won’t spot the Black Moon itself, the stars will put on a show for those willing to look up.

A Sacred Night in Pagan Traditions
Black Moons hold significant spiritual value for those who practice certain pagan religions. Many believe that specific rituals and actions are more powerful when performed during the night of a Black Moon.
In recent years, the term “Black Moon” has gained traction on social media, thanks to astrologers, Wiccans, and other mystics who’ve embraced its mystical aura.
So, whether you’re a stargazer, a spiritual seeker, or simply curious about rare celestial events, mark your calendar for December 30, 2024—because the Black Moon is rising (even if you can’t see it)!
This article was originally written in Spanish by Perla Vallejo in Ecoosfera.
