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