There are total 12 hours or 720 minutes from 3am to 3pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 8PM to 2PM | 9AM to 4PM | 2PM to 8PM |
| 11PM to 5PM | 9AM to 8PM | 10AM to 6PM |
| 4PM to 9PM | 4PM to 11AM | 9AM to 11AM |
| 5PM to 11AM | 10AM to 3PM | 9PM to 9AM |
| 12PM to 12AM | 3AM to 10AM | 3AM to 12AM |
| 1AM to 10PM | 12PM to 6PM | 2AM to 1PM |