Blue Moons occur only once every two to three years, with the next one expected in January 2029. Even rarer is the coincidence of a Blue Moon with the year's smallest full moon, a phenomenon last seen in 2020.
Blue Moons occur only once every two to three years, with the next one expected in January 2029. Even rarer is the coincidence of a Blue Moon with the year's smallest full moon, a phenomenon last seen in 2020.