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