11- 9 = 2, so 2 hours.
20
9 am to 11 am is two hours.
9am, 10am, 11am, 12pm, 1pm, 2pm, 3pm, 4pm, 5pm. 8 hours.
monday-thursday 11am - 9pm friday-saturday 11am-10pm sunday 9am-9pm
If it's 9am then 11pm was 10 hours ago If it's 9pm then 11am was 10 hours ago
22
72
12 hours.
On the same morning there are 3 hours from 8am to 11am
11am to 12 is 1 hour 12 to 5pm is 5 hours → 11am to 5pm is 1 + 5 = 6 hours
3 hours.
2 hours