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