There are total 9 hours or 540 minutes from 9pm to 6am. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 10PM to 6PM | 4PM to 11PM | 6PM to 3AM |
| 12PM to 2PM | 9PM to 10AM | 7PM to 5PM |
| 10AM to 5PM | 3PM to 2PM | 10PM to 4PM |
| 2AM to 7PM | 5AM to 6AM | 9AM to 6PM |
| 9PM to 3PM | 1AM to 6PM | 9AM to 5AM |
| 8AM to 1PM | 3PM to 10PM | 5AM to 9PM |
