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