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