Half
or 30 minutes
unless there are 12 hours apart, then 12:30 difference
3 hours.
36
It is 9 hours.
14.08333
2..25
13 hours and 15 minutes.
7.75+24k hours where k is an integer.
4 hours 45 minutes.
It is 65 hours.
8 hours and 15 minutes.
6 hours and 30 minutes.
131 minutes