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