elapsed = hospital.newdate - Datetime() >> hrs3 = Int(elapsed/3600) >> mins3 = Int((elapsed - (hrs3*3600)/60) >> elapsed2 = Transform( hrs3*100 + mins3, "@RL 99:99") >>>>>Here's is my calculation for elapsed time. I subtract current time from start time to get elapsed time and show it as HH:MM in a listbox.