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