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