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