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