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