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