There are total 10 hours or 600 minutes from 10am to 8pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 6AM to 5PM | 10PM to 11AM | 9PM to 9AM |
| 1PM to 2PM | 1AM to 10PM | 6AM to 1PM |
| 8AM to 6PM | 8AM to 10PM | 9PM to 6AM |
| 11AM to 5AM | 12AM to 6PM | 6AM to 4AM |
| 5PM to 11AM | 11AM to 1AM | 5AM to 1PM |
| 9AM to 7AM | 7PM to 10AM | 5AM to 5PM |
