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