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