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
| 3AM to 4PM | 9PM to 11PM | 11PM to 7AM |
| 4PM to 8AM | 4AM to 2PM | 1AM to 3PM |
| 11AM to 9PM | 9AM to 11PM | 11AM to 1PM |
| 9AM to 7AM | 2AM to 3PM | 2PM to 3AM |
| 4AM to 9PM | 1AM to 12PM | 9AM to 10AM |
| 6AM to 8PM | 6AM to 11PM | 2AM to 3AM |
