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