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