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