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