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