How long did Absalom wanted to kill his half brother?

Absalom wanted to kill his half-brother Amnon for two years following Amnon's assault on their sister Tamar. During this time, Absalom harbored resentment and plotted revenge. Eventually, he orchestrated a feast where he ordered Amnon's murder, fulfilling his long-standing desire for vengeance. This act marked a significant turning point in Absalom's life and his relationship with King David, their father.