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