If the 2 AM is the very next day, then the duration is 17 hours.
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
From 9am to 6:30pm is 9 hours and 30 minutes.
21
5 Hours
21 hours
6 hours
There are zero hours between 9 am and 9 am.
11 hours
4 hours. 9am until noon is 3 hours and 1 more makes 4.
The Buena Vista Cafe in San Francisco is open during the weekend from 8am to 2am. If you visit the cafe during the week; 9am to 2am. They are open 365 days a year and open for special reservations.