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