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