There are total 1 hours or 60 minutes from 4am to 5am. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 3AM to 4PM | 12AM to 1PM | 4PM to 5PM |
| 10AM to 10PM | 2AM to 4AM | 6PM to 3PM |
| 6PM to 4PM | 6AM to 3AM | 7PM to 3PM |
| 11PM to 7PM | 5PM to 2PM | 4AM to 5PM |
| 5PM to 1AM | 1AM to 12PM | 3AM to 12AM |
| 7PM to 4PM | 1PM to 8AM | 8AM to 10PM |
