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