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