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