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