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