There are total 20 hours or 1200 minutes from 8pm to 4pm. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 3AM to 4AM | 9PM to 1AM | 2AM to 10PM |
| 10PM to 1AM | 9AM to 3AM | 10AM to 4AM |
| 3PM to 4AM | 3PM to 3AM | 1PM to 12PM |
| 8PM to 11AM | 12PM to 4PM | 8PM to 12AM |
| 6AM to 10PM | 3PM to 2AM | 1AM to 10AM |
| 8PM to 5AM | 4PM to 5PM | 3AM to 9PM |
