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