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