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