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