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