Blue Moon 2024 Meaning. A monthly blue moon, which is what most people think of when they hear the term, is the second full moon in a month that features two full moons. The moon will reach its peak fullness on monday afternoon, but depending on the weather, you could glimpse the blue.
A seasonal blue moon refers to the third full moon in a season that has four full moons. The moon will reach its peak fullness on monday afternoon, but depending on the weather, you could glimpse the blue.