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