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