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