There are total 12 hours or 720 minutes from 8pm to 8am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 1AM to 6PM | 7PM to 8PM | 4PM to 3PM |
| 10PM to 11AM | 1PM to 3AM | 10AM to 11PM |
| 9AM to 10AM | 11AM to 9PM | 2AM to 6AM |
| 2AM to 3PM | 7PM to 12AM | 4PM to 7PM |
| 8AM to 9AM | 4PM to 5PM | 4AM to 1PM |
| 8PM to 10PM | 7PM to 1AM | 8PM to 1AM |
