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