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