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