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