30° 12′ 38″ N, 95° 45′ 2″ W
You can't rob Peter, Paul and Mary to pay yourself.
I learned it as "DOC". When the right side is illuminated it looks like a D. Full moon is an O. Left side illuminated is a C. So, waxing is a D and waning is a C.
That's a cool mnemonic. Thanks!