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