2 hours
3 hours
how many hours are there from 7AM to 4:30PM
17 hours
how many hours are between 8:15AM and 2:00PM
4 and 1/4
4 + 24k where k is any integer.
There are 16 hours from 9 PM to 1 PM the next day.
12 hours
3 hours and 15 min
4:52 pm
Assuming we are talking about the period starting from 4 am in the morning and ending at 5 pm the same day, it would be 13 hours - 8 hours from 4 am until noon and then 5 more hours until 5 pm: 8 + 5 = 13