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