12 hours.
21
It is 8 hours from 9am to 5pm. To calculate it, first find out how long it is from 9am to noon (3 hours) and then from noon to 5pm (5 hours). Simply add the two together to find your answer of 8 hours.
5 Hours
6 hours
137
136
eight and a half
72 hours is exactly 3 days. 72 hours later is Wednesday at 9am. 72 hours earlier is Thursday at 9am.
The time 4 hours after 9am is 1pm.
12 hours.
21
From 9am to 6:30pm is 9 hours and 30 minutes.
There are zero hours between 9 am and 9 am.
It is 8 hours from 9am to 5pm. To calculate it, first find out how long it is from 9am to noon (3 hours) and then from noon to 5pm (5 hours). Simply add the two together to find your answer of 8 hours.
eight and a half 22:00 - 13:30 = 08:30
4 hours. 9am until noon is 3 hours and 1 more makes 4.