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