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