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