There are total 11 hours or 660 minutes from 7pm to 6am. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 9AM to 6AM | 5AM to 4PM | 1PM to 11AM |
| 10AM to 4PM | 11PM to 8AM | 12PM to 2PM |
| 4PM to 10AM | 11PM to 2AM | 11AM to 5AM |
| 12AM to 12PM | 4PM to 7PM | 6PM to 4AM |
| 8AM to 10PM | 11AM to 4AM | 10PM to 5PM |
| 6AM to 5PM | 1PM to 8PM | 12AM to 12PM |
