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