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