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