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