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
| 1AM to 5AM | 10PM to 5PM | 11PM to 12AM |
| 8AM to 9AM | 7PM to 3PM | 9AM to 11PM |
| 2AM to 9AM | 4PM to 1AM | 1PM to 6PM |
| 5PM to 4AM | 10AM to 9AM | 9PM to 3AM |
| 8PM to 4AM | 11AM to 9PM | 4PM to 1PM |
| 3PM to 8PM | 4AM to 5PM | 8PM to 9AM |
