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