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