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