There are total 20 hours or 1200 minutes from 4am to 12am. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 4PM to 3PM | 3AM to 9AM | 11AM to 3PM |
| 9AM to 5PM | 9PM to 11PM | 10PM to 12PM |
| 11AM to 4PM | 5AM to 12AM | 11PM to 1PM |
| 6PM to 11AM | 4AM to 3AM | 2AM to 9PM |
| 8PM to 10AM | 2AM to 9PM | 4AM to 4PM |
| 9AM to 3PM | 12PM to 9PM | 3AM to 4PM |
