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