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