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
| 9AM to 8AM | 1PM to 2PM | 4AM to 7AM |
| 8PM to 1AM | 7AM to 11AM | 1PM to 9AM |
| 1PM to 3AM | 5AM to 4AM | 9PM to 6PM |
| 7PM to 5AM | 9AM to 5PM | 5AM to 3AM |
| 6AM to 2PM | 11AM to 10AM | 3AM to 4AM |
| 8AM to 10PM | 10AM to 11AM | 5PM to 8AM |
