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