Oh, dude, that's like 17 hours. I know, math is hard, but trust me on this one. So, from 9am to 2am, you've got a solid 17-hour stretch to do... whatever it is you do for 17 hours straight.
12 hours.
5 hrs afrter 9am is 2pm; 5 hrs afrter 9pm is 2am
21
From 9am to 6:30pm is 9 hours and 30 minutes.
Nine hours.
5 Hours
6 hours
Well, darling, if you can't count the hours between 9am and 6pm, I'm not sure what to tell you. But since you asked, that's a whopping 9 hours. Yes, 9 hours, sweetie. Time flies when you're having fun, or in this case, when you're stuck at work.
21 hours
There are zero hours between 9 am and 9 am.
11 hours