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