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