Hello everyone!

I am new to this community. I am developing a software for Internet cafes. I encountered a problem while summing up total time used by several users. I have stated my problem here:

When we add 00:28:02 with 00:11:02 the answer should be = 00:39.04 but it shows 12:39:04. I need only 00:39:04. Hi, guys can anyone help me out please???

The code I used to get this answer is

tmUsd...