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