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