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