InfoPath Dev

Hi, Thanks for reply. Here is what i want to do:- I have created three text boxes, where people will paste a value in first text box in this format - (10/24/2013 5:52:36 PM) specifically Now the other two boxes should automatic calculate time as :- 2nd text box - 10/24/2013 5:52:36 PM - 2 hours = 10/24/2013 3:52:36 PM and 3rd text box ...

Hi, I am new to infopath. I created 2 text boxes. In one of them i will paste the time in "10/24/2013 5:52:36 PM" format. I want in other box  the time should be :- 2nd box - 10/24/2013 5:52:36 PM - 2hours = 10/24/2013 3:52:36 PM GMT  Please help me with the same.     Regards Abhishek