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