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