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