Snap Id Snap Time Sessions Cursors/Session
Begin Snap: 1663 21-Jul-08 10:00:28 80 10.9
End Snap: 1686 21-Jul-08 16:08:01 172 11.5
Elapsed: 367.55 (mins)
DB Time: 4,879.90 (mins)

I am looking at the "DB Time" of 4879.90 minutes; and comparing the value with my elapsed time - not sure if its ok to see a higher DB time than elapsed time.