There are total 11 hours or 660 minutes from 9pm to 8am. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 2PM to 9AM | 11AM to 8AM | 9PM to 7AM |
| 1PM to 4PM | 10AM to 2AM | 4PM to 8PM |
| 6PM to 5PM | 3PM to 8PM | 10AM to 11AM |
| 6PM to 1AM | 4PM to 5PM | 9PM to 7PM |
| 12PM to 7AM | 9AM to 3AM | 2AM to 11AM |
| 8PM to 9AM | 10AM to 12AM | 6PM to 11PM |
