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