There are total 1 hours or 60 minutes from 8am to 9am. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 8PM to 12AM | 5AM to 11AM | 5PM to 12AM |
| 6AM to 12AM | 12AM to 7PM | 6AM to 4AM |
| 3PM to 9AM | 3AM to 10AM | 10PM to 8PM |
| 8PM to 12AM | 2AM to 7PM | 4AM to 12AM |
| 3PM to 1AM | 8AM to 7PM | 12PM to 1PM |
| 5PM to 11AM | 1PM to 4AM | 10PM to 5PM |
