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