Not only will Friday’s total lunar eclipse be a Blood Moon, but it also lands on Pi Day! Grab a blanket—it won’t be freezing, but it will be in the 40s.

A partial eclipse should be evident at 1:09 a.m. Friday, when “it looks like a bite is being taken out” of the moon, they said.

A total lunar eclipse occurs when the Earth is positioned directly between the moon and sun, blocking the sun's rays from the moon.