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. What is a Black Moon? A Black Moon is not an official scientific term but a popular name given to a rare type of new moon. Normally, we see just one new moon each month, when the moon is positioned between the Earth and the Sun, making its bright side face away from us and leaving the sky dark. Last Black Moon of 2024 today: When, where and how to watch The world will witness the last black moon of 2024. On December 30, the month's second new moon will occur that will make the night sky more starry. The black moon influences tides, visibility of stars and meteor showers. Science News: In December 2024, a rare celestial event known as the Black Moon will occur, marking the second new moon in a single month. This phenomenon, happening