There are total 20 hours or 1200 minutes from 8am to 4am. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 6AM to 11PM | 12AM to 2AM | 12PM to 7PM |
| 3PM to 12PM | 12AM to 8PM | 6PM to 1PM |
| 3AM to 9AM | 2PM to 2AM | 12PM to 4PM |
| 3PM to 8PM | 4PM to 4AM | 5PM to 7PM |
| 9PM to 11PM | 5AM to 9PM | 10AM to 6PM |
| 11PM to 11AM | 9AM to 3AM | 8AM to 4PM |