3 hours
21 hours
There are 16 hours from 9 PM to 1 PM the next day.
There are 16 hours from 9 PM to 1 PM the next day.
2 hrs
Five hours.
11 hours.
4.5 hours
1:30pm to 11:00pm is 9.5 hours.
9 am to 12 pm: 3 hours 12 pm to 2:30 pm: 2 1/2 hours 3 + 2 1/2 = 5 1/2 hours. So there are 5 1/2 hours between 9 am and 2:30 pm.
5 hours
4.5 hours between 1:30pm and 6:00pm