Basically, I want it to lay out like this:

Cell A1: 8/12/05 2:00am
Cell B1: 12 (it takes 12 hours to run this process)
Cell A2: 8/12/05 2:00pm

Thought that might make it more clear what I'm trying to do. Right now, if
I enter "12" in cell B1, it's making my value of A2 read "8/24/05 2:00AM"