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