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