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