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