Final answer:
The maximum jail time for a first DUI offense in New Jersey is 30 days, but penalties can vary and it's advised to check current laws or consult with a legal professional.
Step-by-step explanation:
The maximum imprisonment for a first DUI offense in the state of New Jersey is 30 days. When individuals are convicted of a first DUI (Driving Under the Influence) offense, the penalties can vary based on the blood alcohol concentration (BAC) and other factors, but they may include fines, license suspension, and potential jail time. However, it is important to consult current state laws or a legal professional as laws can change over time.