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