
A Blue Moon is not blue, but rather a name given to the third full moon in a season with four full moons or the second full moon in a single calendar month.
Blue Moons are fairly rare, occurring once every two to three years. They can occur in any month but February because that month is too short to ever contain two full moons.
There are two types of Blue Moons: seasonal Blue Moons and monthly Blue Moons. A seasonal Blue Moon is observed when it happens to be four full moons in a season, whereby it would call the third full moon a Blue Moon. Monthly Blue Moon refers to instances when there are two full moons within a single calendar month.
What causes Blue Moon?
A Blue Moon is caused there is more than one full moon occurring in a single month or season. This is because the lunar cycle does not fit in a round number to the calendar year. As a result, once every 2-3 years, a Blue Moon appears as a very rare and special lunar event.
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When is next Blue Moon?
The next Blue Moon will occur on August 19, 2024, at 02:26 pm ET (1826 GMT), and it would be a seasonal Blue Moon.
How can I see Blue Moon
Skygazers and astronomers would be able to view the Blue Moon on August 19, 2024, simply by looking up towards the night sky. The event would be visible from any part of the Earth, provided the weather is clear.