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