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