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There are two different definitions for a Blue Moon. A seasonal Blue Moon is the third Full Moon of an astronomical season that has four Full Moons. A monthly Blue Moon is the second Full Moon in a calendar month with two Full Moons.
A blue moon refers either to the presence of a second full moon in a calendar month, to the third full moon in a season containing four, or to a moon that appears blue due to atmospheric effects. The calendrical meaning of "blue moon" is unconnected to the other meanings.
23 juin 2024 · A blue moon is the second full moon in a calendar month, and the period from one full moon to another is about 29 1/2 days. So, when two full moons occur in the same month, the first one is always on the first or second day of the month and the second one is on the 30th or 31st day.
15 janv. 2024 · The next Blue Moon is Aug, 19, 2024. It is this year’s only one and is a “seasonal” one. Here’s why. There are two types of Blue Moons: seasonal and monthly.
17 août 2023 · Is the Moon ever blue? On rare occasions, tiny particles in the air ― typically of smoke or dust ― can scatter away red wavelengths of light, causing the Moon to appear blue. Will this Moon be bigger and more “super?”
1 août 2023 · The next seasonal Blue Moon on August 19-20, 2024, happens because June’s full moon falls about two days after the June solstice, early in the season of northern summer (southern winter).
13 janv. 2024 · A Blue Moon is a rare occurrence that depends on the timings of full moons during the year. We will experience a Blue Moon this year, here's what to expect.
