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

