This is pretty neat. You can see what phase the moon will be in on any given day from 1800 to 2199.
http://tycho.usno.navy.mil/vphase.html
You can put in your birthday and see what phase the moon was in on that day, might explain alot about some people.
http://tycho.usno.navy.mil/vphase.html
You can put in your birthday and see what phase the moon was in on that day, might explain alot about some people.

I guess an astrologer would invent lots of things from that 