There are total 9 hours or 540 minutes from 12pm to 9pm. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 9PM to 8AM | 9PM to 7PM | 7PM to 5PM |
| 6PM to 12AM | 6PM to 9PM | 7AM to 1AM |
| 8PM to 5PM | 6AM to 10AM | 5PM to 3AM |
| 2PM to 6AM | 4AM to 12AM | 7AM to 6AM |
| 8PM to 12PM | 1AM to 2PM | 8AM to 2AM |
| 6AM to 3AM | 7PM to 3PM | 8AM to 11PM |
