There are total 11 hours or 660 minutes from 10pm to 9am. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 8AM to 11PM | 8AM to 6PM | 5AM to 2AM |
| 5PM to 2AM | 2PM to 10AM | 12PM to 9PM |
| 3PM to 12PM | 8AM to 5PM | 11PM to 8AM |
| 11AM to 8PM | 2AM to 6PM | 1AM to 11AM |
| 8AM to 1AM | 8AM to 10AM | 3AM to 1PM |
| 2AM to 11PM | 10AM to 11AM | 11PM to 9PM |