The key idea is the time limit for detaining someone in a local jail before they must be charged or brought before a judge. In many jurisdictions, there’s a three-day window—about seventy-two hours—during which authorities can hold an arrestee before formal charges or an arraignment must occur. This ceiling exists to balance public safety with the detainee’s rights, ensuring a timely review of the case and a court appearance so due process isn’t delayed. So, the maximum period commonly tested for local jail holds is about three days, which is why seventy-two hours is the best answer. Shorter holds like a day or two do exist in various laws or for particular offenses, and longer holds aren’t the standard figure in this context, making seventy-two hours the typical ceiling you’re asked to recall.