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
| 1AM to 4AM | 6PM to 1PM | 6AM to 7PM |
| 1AM to 10AM | 3AM to 3PM | 6AM to 2AM |
| 9AM to 11AM | 12PM to 11PM | 8AM to 11PM |
| 3AM to 5AM | 9PM to 1PM | 1PM to 2AM |
| 9PM to 3AM | 5AM to 3AM | 9AM to 4PM |
| 8AM to 6PM | 8PM to 1AM | 2PM to 6PM |
