We last saw a full moon on Halloween in 1955 and wont see it again until 2039, but how rare is a blue moon on Halloween? The Moon turns full on Saturday, October 31, 2020 at 10:49 a.m., the second of ...
The last time a Halloween full moon appeared was for the Central and Pacific time zones in 2001. The "once in a blue moon" phenomenon does not necessarily mean the moon will look blue on Halloween.