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