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