There are 17 hours between 2 am and 7 pm.
12
It is seven hours from 9 AM to 4 PM.
7 pm to 7 am is 12 hours 7 am to 8 am is 1 hours → 7 pm to 8 am is 12 + 1 = 13 hours.
8 hours.
10 and a half hours
9
There are 7 hours from 3 pm to 10 pm.
7 and a half hours
7 hours and 30 minutes
19
There are 17 hours between 2 am and 7 pm.
12
12
It is seven hours from 9 AM to 4 PM.
7 pm to 7 am is 12 hours 7 am to 8 am is 1 hours → 7 pm to 8 am is 12 + 1 = 13 hours.
8 hours.