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