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