There are total 11 hours or 660 minutes from 8am to 7pm. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 4PM to 6AM | 1AM to 5PM | 6PM to 12PM |
| 10AM to 1PM | 2AM to 4AM | 4PM to 8PM |
| 1AM to 6AM | 8PM to 10PM | 10PM to 4PM |
| 5PM to 5AM | 1AM to 3PM | 8AM to 2AM |
| 3PM to 12AM | 1PM to 9PM | 11AM to 6PM |
| 11PM to 1PM | 10PM to 4PM | 3PM to 1PM |
