May is hosting one of the most interesting lunar events of the 2026 calendar year: two full moons. Its first full moon is on May 1, leaving just enough time for a second full moon on the last day of the month, May 31. The second full moon in a single month is known as a blue moon, which inspired the “once in a blue moon” saying for something rare.
According to The Old Farmer’s Almanac, the first full moon in May reaches its peak brightness at 1:23 p.m. ET, or right in the middle of the day. The best time to see the full moon is the evenings of April 30 and May 1. You won’t need any help; it’ll be the brightest thing in the night sky. This moon is commonly called the Flower Moon, named in honor of the spring flowers blooming right now.
The second full moon reaches its
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