But first, let's break down the meaning of the sturgeon moon. The full moon will reach peak illumination in the United States on Saturday, Aug. 9, at 3:55 a.m. ET., according to the U.S. Naval ...

August’s Sturgeon Moon illuminated the night sky, dazzling stargazers around the world. The moon reached peak fullness in the early hours of Aug. 9, but seemed full on Aug. 8 and Aug. 10 as well.