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