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