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
| 12PM to 11AM | 9PM to 10PM | 8PM to 4PM |
| 1AM to 2PM | 4PM to 10PM | 6PM to 11AM |
| 8PM to 4AM | 6PM to 5AM | 12AM to 3PM |
| 2PM to 6AM | 4AM to 10AM | 7PM to 10AM |
| 3AM to 3PM | 11PM to 9AM | 4PM to 2PM |
| 2AM to 12AM | 4AM to 8PM | 1PM to 2PM |
