There are total 9 hours or 540 minutes from 3am to 12pm. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 9AM to 2AM | 11AM to 10AM | 6AM to 8PM |
| 5PM to 4AM | 1AM to 3PM | 9PM to 11PM |
| 9AM to 8AM | 5AM to 10AM | 5AM to 3AM |
| 7AM to 5PM | 7PM to 10AM | 7PM to 5PM |
| 4AM to 12AM | 7AM to 10AM | 10AM to 7PM |
| 2AM to 4PM | 1PM to 2PM | 9AM to 7PM |
