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