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