Question

Start time :11 :30 a.m. end time:5:30 p.m.

Answer 1

There is a 6 hour difference between 11:30 A.M and 5:30 P.M...
11:30-12:30=1 hour
                          +
12:30-1:30=1 hour
                          +
1:30-2:30=1 hour
                      +
2:30-3:30=1 hour
                      + 
3:30-4:30=1 hour
                     +
4:30-5:30=1 hour
                     =
6 hours total

Answer 2

6 hour difference is between 11:30 and 5:30. :) hope that helped!