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