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