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