| The Blue Moon on Oct. 31, 2020 will be the first full moon on Halloween in 76 years.
According to information from NASA Earth and the Old Farmerâs Almanac, the last time a full moon fell on Halloween was in 1944.
The rare All Hallows' Eve full moon follows the harvest moon on Oct. 1. A blue moon is when two full moons fall in the same month.
âWhen you look at the full moon on Halloween night, it wonât appear blue in color but youâll be looking at something pretty uncommon,â according to the Farmers' Almanac.
The next time a full moon falls on Halloween isnât expected until 2039, NASA said.
Saturdayâs blue moon will peak at 10:49 a.m. ET, but will look full the night before and the night after.
The Halloween full moon will also be a hunterâs moon, which is the first full moon to follow the harvest moon.
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