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