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