There are total 10 hours or 600 minutes from 11am to 9pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 4AM to 9AM | 10AM to 1PM | 12AM to 2AM |
| 11PM to 10PM | 5AM to 4AM | 11PM to 1PM |
| 7AM to 3AM | 6AM to 8AM | 8PM to 10PM |
| 8PM to 11AM | 2AM to 3PM | 3PM to 5PM |
| 9AM to 6PM | 11AM to 5AM | 10AM to 2PM |
| 3AM to 9AM | 3PM to 3AM | 6AM to 12PM |
