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