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