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