There are total 9 hours or 540 minutes from 11am to 8pm. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 6AM to 10PM | 5AM to 11PM | 11PM to 4PM |
| 4PM to 8PM | 3AM to 7AM | 6PM to 11AM |
| 11PM to 5PM | 7AM to 11PM | 8AM to 11PM |
| 10AM to 10PM | 2PM to 4PM | 5AM to 12AM |
| 2PM to 5PM | 11PM to 8AM | 1AM to 12AM |
| 1PM to 5AM | 5PM to 3PM | 11PM to 8PM |