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.
7.75 hours
This is equivalent to 16 hours.
1460
9
1360
Ten hours.
This is equivalent to 16 hours.
4.5
9 hours, 45 minutes
10 and a half hours
5 hours 30 minutes.