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