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