Pleasure guys!
For a facinating view on our beautiful planet as night sweeps across day and
vice versa, I recommend visiting this site
http://www.fourmilab.ch/cgi-bin/uncgi/Earth .
I tend to put in my lat-long (i.e. 41N, 116W) and see where the twilight shaddow is at that moment. There are lots of other interesting options too.
