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