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
| 2AM to 8AM | 6PM to 9PM | 11PM to 12AM |
| 11AM to 2AM | 10PM to 2PM | 8AM to 10AM |
| 11PM to 7AM | 10AM to 2AM | 7AM to 5AM |
| 11AM to 1PM | 1PM to 5AM | 9AM to 3AM |
| 9AM to 12AM | 5PM to 11PM | 8PM to 11PM |
| 10AM to 12PM | 9PM to 5AM | 8AM to 10PM |