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