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