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
| 8AM to 7AM | 7PM to 12AM | 5AM to 7PM |
| 8AM to 6PM | 3PM to 1PM | 8PM to 1AM |
| 5AM to 8AM | 1AM to 8PM | 7AM to 10AM |
| 5PM to 3AM | 12AM to 8PM | 7PM to 2PM |
| 9AM to 8AM | 12AM to 7PM | 12PM to 1AM |
| 5AM to 7PM | 2PM to 10PM | 3AM to 1AM |
