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