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