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
| 8PM to 5AM | 9AM to 10AM | 12PM to 8PM |
| 4PM to 7PM | 1PM to 2PM | 4PM to 8AM |
| 9AM to 10PM | 2AM to 7AM | 2AM to 5PM |
| 12PM to 7AM | 5AM to 11AM | 4AM to 8AM |
| 4AM to 3PM | 11PM to 7PM | 3PM to 11AM |
| 8PM to 11AM | 9PM to 8AM | 6AM to 8AM |
