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