There are total 4 hours or 240 minutes from 12am to 4am. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 9AM to 5PM | 9PM to 12AM | 11AM to 10PM |
| 10AM to 12AM | 9AM to 9PM | 1PM to 1AM |
| 6AM to 5PM | 6AM to 3PM | 9PM to 11PM |
| 7PM to 9PM | 1AM to 11AM | 11PM to 7PM |
| 9PM to 6AM | 11PM to 2AM | 12PM to 10PM |
| 4PM to 4AM | 1AM to 12AM | 3AM to 2AM |
