The phenomenon occurs every time there are two full moons in the identical month — therefore the saying “once in a blue moon.”
The final full moon was October 1 – setting us up for this uncommon occasion.
AIR7 HD captured the moon because it rose to the east of downtown Los Angeles.
The final blue moon on Halloween was in 1944.
Check out the video within the media participant above.
KGO-TV contributed to this report.
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