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