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