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