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