There are total 10 hours or 600 minutes from 11am to 9pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 10AM to 10PM | 1AM to 6AM | 12PM to 10AM |
| 9AM to 2AM | 8PM to 1PM | 5AM to 7AM |
| 6AM to 4AM | 5PM to 8PM | 6PM to 1AM |
| 3PM to 6PM | 3AM to 3PM | 8AM to 6AM |
| 10AM to 12PM | 2AM to 7PM | 6PM to 9PM |
| 11AM to 12PM | 10AM to 3AM | 12PM to 9AM |
