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