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