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