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
| 7PM to 3AM | 5AM to 8AM | 12AM to 8PM |
| 6PM to 5AM | 8PM to 12PM | 11AM to 9PM |
| 12AM to 9PM | 5AM to 10AM | 1AM to 11PM |
| 8AM to 8PM | 6PM to 1AM | 4PM to 2PM |
| 10PM to 7PM | 1AM to 6AM | 10PM to 7AM |
| 8AM to 4PM | 10AM to 3PM | 9AM to 5AM |
