The Third or Last Quarter Moon is when the opposite half of the Moon is illuminated compared to the First Quarter.
Phases of the Moon explained
The waxing/waning phases and first/third quarter moons (often
Waning Crescent Facts, Information, History & Definition
Phases of the Moon and Percent of the Moon Illuminated
Moon Phases chart – We Share the Same Moon
Why does a daytime half moon not appear to align correctly with
What is a last quarter moon?
timeanddate.com - We often refer to a Quarter Moon as a Half Moon
The Third or Last Quarter Moon is also called a Half Moon on
What's the Meaning of the Third Quarter Moon?