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