From 8:15am to 6pm is 9 hours and 45 minutes.
8:15am to 6pm is 9.75 hours (9hours 45 minutes)
7 hours 40 minutes.
hours are between 815AM and 200PM are : 14 :00 -8 :15 =5 hr 45 min
10 hours
24 hours
48 hours.
six and one third hours, or six hours and twenty minutes
15
It's 120 hours between 6pm Thursday until the following Tuesday at 6pm
72 hrs
11 hours
13 hours