Three
2:30am to 5:30am
2:30pm to 5:30pm
Fifteen
2:30am to 5:30pm
2:30pm to 5:30am
530 minutes is 8 hours, 50 minutes.
1460
7.75 hours
This is equivalent to 16 hours.
1360
9
This is equivalent to 16 hours.
Ten hours.
4.5
6 hours.
3 hours.
10 and a half hours