Once in a Blue Moon?

[RyanB]

“Halloween will be the first blue moon visible in every time zone since 1944. Might be good to charge those crystals!”

www.nytimes.com/2020/10/29/style/blue-moon-wet.amp.html

 

[EdFred]

Blue Moon just means 2 fulls in a month on the calendar, or 4 in a quarter.

 

[Capt. Geoffrey Thorpe]

 

[Eldorado]

Also it’s a “hunter’s” moon.

 

[Zeldman]

mmmmm..... blue moon pie.....

 

[flyingron]