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