There are total 1 hours or 60 minutes from 4pm to 5pm. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 9PM to 10PM | 11PM to 5PM | 4AM to 2PM |
| 4AM to 9AM | 8PM to 8AM | 2PM to 5AM |
| 4AM to 2AM | 5PM to 7PM | 6AM to 2PM |
| 4PM to 12PM | 5AM to 12PM | 4AM to 2PM |
| 6AM to 2PM | 5AM to 12AM | 4AM to 4PM |
| 2PM to 2AM | 12AM to 4PM | 7PM to 12AM |
