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