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