>may be you are looking for following
>

>'Get the difference in minutes
>vMinutes=((hour("02:00 PM")-hour("12:10 PM"))*60) + (minute("02:00 PM")-minute("12:10 PM"))
>'get the hour and minutes and convert to time
>vTime=cdate(cstr(int(vMinutes/60)) + ":" + cstr(vMinutes mod 60))
>

>that will return 1:50:00 AM
>you can make a function timeDiff that will take value of your parameters


Thanks,this one is my solution.