10 and a half hours
Well, if it's from AM to PM (or also PM to AM), the answer would be 10 hours. However, if this is from AM to AM (or also PM to PM), then it would be 22 hours.
15 hourse and 10 minuts
945 pm to midnight is 2 hours, 15 minutes. Midnight to 830 am is 8 hours, 30 minutes. The total is 10 hours, 45 minutes.
8
There are 12 hours between 10 am & 10 pm
10 hours.
There are 8 hours if it's on the same day
10 and a half hours
There are 7 hours from 3 pm to 10 pm.
2.5 hours
6 and 20 mins
10 and 1/2
10 + 24k where k is any integer.
12 Hours ! There are 12 hours in the AM and 12 hours in the PM !
There are 5 hours between 4 pm and 9 pm
There are 4 hours from 10 am to 2 pm.