For wearing a new garment for the first time, is the first day of Sukkot or Simchat Torah preferable?

This source-based Torah study examines: For wearing a new garment for the first time, is the first day of Sukkot or Simchat Torah preferable? It follows the canonical Hebrew discussion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not practical halakhic, legal, military, medical, safety or pastoral advice.