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