What’s a ‘Corn Moon’? What to know about summer’s final full moon

Katie Ramirez
September 1, 2020

CNN Meteorologists Judson Jones said his favorite time to watch the full moon is as it is rising over the eastern horizon. If you've ever wondered how the saying "once in a blue moon" came about, it was coined from the unique celestial phenomenon where we get two full moons in one calendar month or the third of four full moons in a season.

Once every three years, the September full moon arrives very early. Because it's the last full moon of summer, the Algonquin tribes along the East Coast called it the Corn Moon, as it coincided with gathering crops of corn, squash, beans and other late-summer garden staples.

A Blue Moon on Halloween, however, is a truly rare event and we're not likely to see another one until 2039, according to The Old Farmer's Almanac.

The 2020 September full moon is just too soon to be a genuine harvest moon, as indicated by the Farmers' Almanac, which says the title goes to the full moon nearest to the harvest time equinox, the primary day of fall, on Sept. 22.

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The fourth factor in safely easing restrictions is for governments to have a clear plan of action on how to find, isolate, test and care for COVID-19 cases, while also quickly tracing and quarantining close contacts.

"This full moon corresponds to the Chinese Hungry Ghost Festival".

As in the case of other full moons, the current one will shine bright for three days, starting with August 31 and lasting until the morning of September 3.

Johnston also gets into a whole lot of nifty stargazing and skywatching facts for September.

Jupiter and Saturn are also visible on the night sky. More about the moons and their names here. Vindemiatrix is the grape gatherer, described as the "fruit-plucking herald" which suggests that wine bears a secret message.

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