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