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