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