There are total 3 hours or 180 minutes from 8pm to 11pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 1AM to 10PM | 3PM to 4PM | 10AM to 5PM |
| 4PM to 8AM | 1AM to 7AM | 3PM to 1PM |
| 10PM to 1PM | 5PM to 10PM | 8AM to 3PM |
| 6AM to 8AM | 2PM to 11PM | 9PM to 9AM |
| 5PM to 5AM | 1AM to 8AM | 3AM to 8AM |
| 6AM to 7AM | 6AM to 3AM | 1PM to 7PM |
