There are total 12 hours or 720 minutes from 3pm to 3am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 6AM to 1PM | 12PM to 7AM | 8AM to 12AM |
| 8AM to 12AM | 8PM to 2AM | 9AM to 7AM |
| 10PM to 8AM | 2AM to 2PM | 2AM to 12AM |
| 11AM to 10PM | 3AM to 4PM | 9AM to 7AM |
| 1PM to 9AM | 8PM to 6PM | 7PM to 12PM |
| 12PM to 3PM | 11AM to 4PM | 1AM to 10PM |