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