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