There are total 10 hours or 600 minutes from 11pm to 9am. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 1AM to 11AM | 1PM to 4PM | 12AM to 10AM |
| 11PM to 7PM | 4AM to 9AM | 1AM to 12PM |
| 12AM to 7PM | 9PM to 10PM | 9AM to 12PM |
| 4AM to 5PM | 3AM to 9PM | 7PM to 6PM |
| 7PM to 12AM | 11AM to 7AM | 3AM to 10AM |
| 5AM to 10AM | 4PM to 2PM | 12AM to 7AM |