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
| 11PM to 12AM | 3AM to 5AM | 9PM to 5AM |
| 6AM to 9AM | 4PM to 6PM | 2AM to 11PM |
| 11AM to 9AM | 2AM to 10PM | 4AM to 6AM |
| 5PM to 11PM | 5AM to 4AM | 1AM to 5PM |
| 5AM to 7AM | 2AM to 10AM | 9AM to 10PM |
| 10AM to 12AM | 12AM to 5AM | 11AM to 7AM |
