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