There are total 4 hours or 240 minutes from 8am to 12pm. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 10PM to 1PM | 6AM to 12AM | 8PM to 5PM |
| 3AM to 5AM | 12PM to 12AM | 7AM to 11PM |
| 8PM to 11AM | 9PM to 1AM | 6AM to 4PM |
| 9AM to 4PM | 12AM to 12PM | 5PM to 1AM |
| 11PM to 10AM | 5PM to 10AM | 6PM to 12PM |
| 5AM to 12PM | 12AM to 6AM | 9PM to 5PM |
