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