What was the moon illumination for November 21 2007?

Answer 1

87.95%, at magnitude -11.92 http://www.paulsadowski.com/moonphases/default.asp

Answer 2

On Wednesday 7th November, 2012, the phase of the moon was Third Quarter.

Answer 3

On November 21, 2007, the moon was in its waxing gibbous phase, with an illumination of approximately 87%. This means that about 87% of the moon's surface was visible from Earth on that date.