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