FORT WAYNE, Ind. (WFFT) — October will have a rare blue moon.
The first full moon of the month will occur on October 1.
The Harvest Moon as its' known will happen at 5:05 p.m. EDT.
The second one is a rare blue moon.
That happens on October 31 at 10:49 a.m. EDT.
It hasn't happened in all time zones in the U.S. since 1944, according to the Farmers' Almanac.
A blue moon happens when two full moons occur in one month.
On average, that happens every 2.5 to 3 years.
A full moon on Halloween occurs once every 19 years, which is known as a Metonic Cycle.
The next time we'll see a full moon on Halloween will happen in 2039, 2058, 2077, and 2096.