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