There are total 12 hours or 720 minutes from 6pm to 6am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 11AM to 1PM | 12PM to 3PM | 9PM to 2AM |
| 5AM to 12AM | 7PM to 1AM | 4PM to 1PM |
| 9PM to 11AM | 1PM to 11AM | 4AM to 12AM |
| 7PM to 5PM | 11AM to 9PM | 5AM to 11PM |
| 2PM to 3PM | 2AM to 3AM | 8PM to 2AM |
| 1PM to 7AM | 10PM to 3AM | 9AM to 7PM |
