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