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