There are total 12 hours or 720 minutes from 8am to 8pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 8PM to 10AM | 2AM to 4PM | 8AM to 10PM |
| 12PM to 6AM | 4AM to 8AM | 4PM to 2AM |
| 7PM to 12AM | 8PM to 4PM | 1AM to 1PM |
| 5PM to 7AM | 1PM to 5AM | 1AM to 10PM |
| 11PM to 2PM | 10PM to 9PM | 11AM to 8PM |
| 3PM to 5PM | 4PM to 3PM | 12AM to 8AM |
