There are total 11 hours or 660 minutes from 8pm to 7am. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 4AM to 12AM | 1PM to 11AM | 11PM to 9AM |
| 8PM to 9PM | 9AM to 5AM | 1AM to 5PM |
| 5PM to 2PM | 9AM to 9PM | 10AM to 11PM |
| 2PM to 5PM | 3PM to 7PM | 1AM to 9AM |
| 3AM to 1PM | 7AM to 11PM | 12AM to 7PM |
| 3AM to 7PM | 3PM to 11AM | 2PM to 9AM |