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