There are total 1 hours or 60 minutes from 3am to 4am. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 4AM to 2PM | 4AM to 10AM | 8AM to 6AM |
| 12PM to 8PM | 11PM to 3AM | 1PM to 11AM |
| 5AM to 12AM | 11PM to 1AM | 6AM to 2AM |
| 7AM to 11AM | 11AM to 9PM | 2AM to 4AM |
| 11AM to 5AM | 10AM to 9PM | 12PM to 7PM |
| 7AM to 4AM | 9PM to 5AM | 5PM to 2AM |
