whats the time limit for first apperance

That depends upon whether one is incarcerated or not. If you are released from custody, a substantial delay may not be be unreasonable. If you are in custody you shal be taken before a judicial officer "without unnecessary delay." The actual time lapse is the subject of a debate and may depend on a number of circumstances.  Your best course of action is to obtain legal counsel who can see that you are placed on the Court's docket quickly.