There are total 20 hours or 1200 minutes from 4pm to 12pm. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 7AM to 6PM | 8AM to 12PM | 6AM to 4AM |
| 11PM to 5AM | 3AM to 6PM | 12PM to 1PM |
| 8PM to 7AM | 9AM to 10PM | 6PM to 1AM |
| 6PM to 12PM | 1PM to 4AM | 11AM to 8AM |
| 11PM to 11AM | 11PM to 10AM | 12AM to 7PM |
| 12AM to 12PM | 5PM to 9PM | 12PM to 7PM |
