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