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
| 2AM to 11PM | 2AM to 7AM | 3PM to 8AM |
| 11PM to 9PM | 9PM to 3PM | 6AM to 4PM |
| 1PM to 3AM | 10AM to 5PM | 8AM to 3AM |
| 8PM to 2PM | 12AM to 6AM | 11PM to 5PM |
| 12AM to 4AM | 3AM to 6PM | 7PM to 8PM |
| 6AM to 4AM | 9AM to 8PM | 10AM to 8PM |
