NASA has defined in its weblog that the Blue Moon seems each two and a half years. After the 12 months 2020, this Blue Moon can be seen in August 2023, in Could 2026 and in December 2028. On the similar time, each 19 years, this Blue Moon seems on the evening of Halloween, it is named the Metonic cycle. The Blue Moon follows the October Harvest Moon. Theoretically it marks the start of winter.
In keeping with FarmersAlmanac, the final time the Halloween Blue Moon appeared was in 2001, nevertheless it was solely seen within the Central and Pacific time zone. Nonetheless, the upcoming Moon could be seen in all time zones which is sort of uncommon. Stories point out that the final Halloween Full Blue Moon was seen in all time zones in 1944.
What’s Blue Moon
The commonest definition of Blue Moon is that when there are two full moons in a month, the moon of the second full moon known as Blue Moon. Nonetheless, one other definition says that when there are 4 full moons in a season, the third moon known as a blue moon.