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