11 hours
Between 10am and 9pm, there are 11 hours.
15 hours
155 pounds = 11.07 stone.
2 hours, 35 minutes, and 0 second 2.583 hours 155 minutes 9,300 seconds
8pm to 7am is 11 hours.
Six hours in total !
There are 13 hours between 1 PM and midnight.
17 hours
It has 2 hours and 42 minutes.
21 hours and 5 minutes
15 hours. There are 12 hours between 8:00am and 8:00pm and 3 hours between 8:00pm and 11:00pm. 12 + 3 = 15