There are total 12 hours or 720 minutes from 4pm to 4am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 9PM to 1PM | 4AM to 6PM | 3PM to 8PM |
| 7AM to 2PM | 9PM to 8AM | 10AM to 11AM |
| 1AM to 11PM | 7PM to 12AM | 4AM to 12PM |
| 8PM to 9AM | 4AM to 10PM | 2PM to 6AM |
| 11PM to 1PM | 6AM to 1AM | 1PM to 2PM |
| 9PM to 12AM | 6PM to 6AM | 5PM to 4AM |