From 2pm to 6pm is 4 hours. From 2am to 6pm is 16 hours.
10 hours
24 hours
48 hours.
15
It's 120 hours between 6pm Thursday until the following Tuesday at 6pm
Nine hours.
10 hours
From 8:15am to 6pm is 9 hours and 45 minutes.
72 hrs
13 hours
11 hours