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