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