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