Difference Between 2 Times

From
Field is required!
Field is required!
Till
Field is required!
Field is required!
0
Field is required!
Field is required!
0
Field is required!
Field is required!
0
Field is required!
Field is required!
Hours: 0
Field is required!
Field is required!
Minutes: 0
Field is required!
Field is required!
Field is required!
Field is required!
Please select a later time than your From time.
Field is required!
Field is required!