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