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
| 9PM to 11AM | 11PM to 1PM | 4AM to 3PM |
| 8PM to 6PM | 4AM to 7PM | 4PM to 10PM |
| 6PM to 3PM | 7AM to 6PM | 10AM to 3PM |
| 9AM to 7PM | 7AM to 1PM | 5AM to 11PM |
| 3PM to 3AM | 10PM to 8PM | 9PM to 7PM |
| 9PM to 10AM | 5PM to 4PM | 7PM to 6PM |
