From 8PM to 1PM (the next day) is 17 hours.
2 hours
3 hours
6 hours
5 hours.
6 hours
Four hours exactly !
51 hours
5
7 of them.
1pm to 11pm is a total of 10 hours. This is calculated by subtracting 1pm from 11pm: 11 - 1 = 10. The difference between the two times is 10 hours.
From 8am to 1pm is 5 hours. From 8am to 1am is 17 hours. From 8pm to 1am is 5 hours. From 8pm to 1pm is 17 hours.