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