There are total 23 hours or 1380 minutes from 8pm to 7pm. In words, this duration is equal to twenty-three hours or one thousand three hundred eighty minutes.
How many hours from
| 9AM to 10PM | 9AM to 3AM | 10AM to 8PM |
| 9AM to 10AM | 9PM to 11AM | 12PM to 6AM |
| 2PM to 12AM | 5AM to 7PM | 2AM to 7PM |
| 11AM to 8PM | 2PM to 11AM | 7PM to 4PM |
| 10AM to 2PM | 6PM to 6AM | 2PM to 11PM |
| 12PM to 8AM | 5PM to 8PM | 1PM to 2PM |