There are total 4 hours or 240 minutes from 3am to 7am. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 8PM to 8AM | 12AM to 3AM | 3PM to 2PM |
| 8PM to 2AM | 2PM to 10AM | 10AM to 11AM |
| 12AM to 7PM | 8PM to 10PM | 12PM to 8AM |
| 5PM to 7PM | 6PM to 10AM | 4PM to 9PM |
| 10AM to 12PM | 5PM to 9PM | 9AM to 9PM |
| 9AM to 3PM | 7PM to 9AM | 10AM to 7PM |
