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