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