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