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