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