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
| 4AM to 9PM | 11PM to 10AM | 9AM to 3AM |
| 5AM to 12PM | 8PM to 1PM | 12AM to 4PM |
| 10AM to 4PM | 5AM to 1PM | 5PM to 11PM |
| 6AM to 6PM | 12PM to 8PM | 11AM to 12PM |
| 12PM to 5PM | 6PM to 12AM | 1AM to 11PM |
| 6PM to 5AM | 2PM to 8AM | 7AM to 6AM |
