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