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