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