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