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