Full Moon on Halloween This Year Is First Since 1944

For the first time in decades, Halloween will receive some spooky ambience from a full moon.

For many people, the Halloween full moon will be a once-in-a-lifetime event. The last time it occurred was in 1944, the Farmer’s Almanac reveals. The next one isn’t expected to happen until 2039, according to NASA.

Although Saturday’s moon will be a “blue” moon, it won’t actually appear to be blue; scientists use the term to describe the second full moon of a given month, which only occurs about once every 2 1/2 years, NASA reveals.

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