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