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