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