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