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