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