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