There are total 2 hours or 120 minutes from 8pm to 10pm. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 1AM to 4AM | 11PM to 9AM | 10AM to 2AM |
| 12PM to 10PM | 12AM to 1PM | 5PM to 11AM |
| 8PM to 5AM | 4AM to 7AM | 5AM to 3PM |
| 11AM to 12PM | 1PM to 11PM | 6AM to 9AM |
| 1AM to 11AM | 9PM to 8PM | 2AM to 5PM |
| 2PM to 6AM | 9AM to 2AM | 1PM to 1AM |