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