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