After the full moon, the lit portion of the moon begins to diminish until the third quarter phase shows the moon as a left-sided half circle.
From the post-gazette.com
The greatest number of attacks occurred during new moons, followed by full moons, the edges of the lunar extreme when the moon has its biggest pull on the tidal phase, Burgess said.
From the sciencedaily.com
Full moon is a lunar phase that occurs when the Moon is on the opposite side of the Earth from the Sun.
From the en.wikipedia.org
Full moon is a lunar phase that occurs when the moon is on the opposite side of the earth from the sun, and when the three celestial bodies are aligned as closely as possible to a straight line.