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