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