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