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