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