Once in a Blue Moon, full moon twice in one month – October 2020 sees first Halloween Blue Moon since WWii
2020-11-05
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October has not one, but two full moons — and because it’s 2020, the second one naturally falls on Halloween. That gives this year 13 full moons instead of the usual 12. October’s first full moon was the harvest moon on October 1, and the second is a rare full Halloween blue hunter’s