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