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