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