How many times did David forgive Saul?

David forgave Saul on multiple occasions, as detailed in the biblical accounts of 1 Samuel. Specifically, he had two significant encounters where he spared Saul's life, demonstrating his mercy despite Saul's attempts to kill him. This act of forgiveness emphasized David's respect for Saul as the Lord's anointed king, highlighting his commitment to God's principles over personal vengeance.