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