It rises in the east at about 20:57, BUT you wont be able to see it properly till about 22:00 (to allow it to get high enoughto avoid trees/horizon/street glow)
Draw a line from the moon across the sky in an arc and end in the east. Now come back up a little (at 22:00) and you will see the constelation of Virgo, and two MAYBE 4 stars will catch you eye and the form more or less a line like this -> o__o______o__o
The last two will form a upsidedown triangle with a star the similar brightness under them.
The FIRST two are the ones you want. The second star WILL be brighter than any of the four so you will know if you have the right ones!
Star ONE, isn't a star... Its Saturn!
Use you zoom lens and snap away, you will know if you have the right one as it will look like a redish elongated oval with a direction similar to this -> /. Mess about with the exposures as much as you like as it sets around 07:40 the next day!!
But you wont really see it properly until you get home and shove it in PS or LR and do a close crop. (you can see in camera but results are better on the computer.) You will, due the to Earths rotation, have to move the camera and follow it as it tracks across the night sky. Oh and try manual focus if you can... AF doesn't much like dark skies and pinpricks of light...
Hope this all helps, and good luck!
(show us your efforts when you get them processed)
Clawz