There are total 10 hours or 600 minutes from 8am to 6pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 9AM to 6AM | 1AM to 11AM | 7PM to 1AM |
| 9AM to 4AM | 4PM to 12AM | 9AM to 11PM |
| 5PM to 7PM | 5AM to 3PM | 1AM to 8AM |
| 4PM to 11AM | 7AM to 11AM | 8PM to 8AM |
| 7AM to 10PM | 10PM to 2AM | 6PM to 2AM |
| 9AM to 6AM | 3AM to 7AM | 1PM to 10PM |