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