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