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