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