There are total 12 hours or 720 minutes from 8am to 8pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 5AM to 3AM | 12PM to 10AM | 12AM to 9AM |
| 10PM to 5PM | 6AM to 9PM | 2PM to 9PM |
| 7PM to 2PM | 10AM to 8AM | 10AM to 10PM |
| 5AM to 1AM | 6AM to 10AM | 2PM to 3AM |
| 1PM to 11AM | 6AM to 9AM | 11PM to 10PM |
| 9AM to 2AM | 9PM to 10AM | 3PM to 8PM |
