There are total 12 hours or 720 minutes from 6am to 6pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 9AM to 11AM | 8PM to 5PM | 8PM to 4PM |
| 7AM to 8AM | 11AM to 2PM | 2AM to 6PM |
| 10PM to 9AM | 9PM to 2PM | 6PM to 11PM |
| 10PM to 9AM | 1AM to 9AM | 11PM to 12PM |
| 5AM to 11PM | 12PM to 7AM | 9AM to 5AM |
| 5AM to 12AM | 12AM to 11PM | 12AM to 10PM |
