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