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