Are There Any Blue Moons In 2024. This year promises 12 full moons, including two to four supermoons (depending on a definition) and a seasonal blue moon. By this system, the summer of 2024 has three full moons with seasonal designations, and a bonus blue moon:

A monthly blue moon is the second full moon we see in any calendar month that has two full moons. The modern or monthly definition, perhaps more popular in today’s culture, identifies a blue moon as the occurrence of two full moons within a single calendar month, a rare celestial phenomenon.