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