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