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