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