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