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