St Patrick's Day is celebrated annually in Ireland on March 17th but has become a global event with parades, festivals, and events held in many cities worldwide. Some synonyms for St Patrick's Day include "Feast of St. Patrick", "St Paddy's Day", "Green Day", "Shamrock Day", and "Irish Day". It is a day to celebrate Irish culture, heritage, and traditions. Popular activities include wearing green clothing, drinking Irish whiskey, attending parades, listening to Irish music, and eating traditional Irish foods like Corned Beef and Cabbage or Shepherd's Pie. Regardless of what you call it, St Patrick's Day is a day of joy and celebration for Irish people and those who love Ireland.