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