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