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