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