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