From 630 am to noon is 5.5 hours. From noon to 330 pm is 3.5 hours. Total =9 hours.
There are 9 hours between 630 am and 930 am.
9 hours.
8.5
7 and a half hours
10.5 hours
There are 14 hours and 45 minutes between 3:45 pm and 6:30 am.
11 hours and 45 minutes.
11 hours and 45 minutes.
8 hours.
(11+24k) hours where k is an integer.
8 hours and 30 minutes.