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