From 8PM to 1PM (the next day) is 17 hours.
7 of them.
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.
1am to 8am is 7 hours.1am to 8pm is 19 hours.1pm to 8pm is 7 hours.1pm to 8am is 19 hours.
8pm to 7am is 11 hours.
2 hours
3 hours
6 hours
5 hours.
6 hours
6am to 6pm is 12 hours. 6pm to 8pm is 2 hours. 12+2=14 6am to 8pm is 14 hours
Four hours exactly !