What is a Blue Moon? When is the next Blue Moon? There’s some confusion about its meaning. Here’s the scoop.
When is the Next Blue Moon?
As of this writing, the next Blue Moon is January 31, 2018. See the January Full Moon page.
Why is it Called the Blue Moon?
We got a lot of letters about this. Some folks imagine that it actually appears blue. Others assume it’s a term that originated with Native American folklore. Neither is true.
Also, Blue Moon is not an astronomical term. This term only... more
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