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