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