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