from date source you can use something similar to: =TEXT(A1,"h:mm:ss AM/PM")
This seems to work from a text source as well as long as it's in the format you show.
but the easiest way as has been said, is to format the cells to show just the time
~~~)-Steven----
"I want you to remember that no bastard ever won a war by dying for his country. He won it by making the other poor dumb bastard die for his country..."