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