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