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