Overview

• In Argentina the holiday is fixed to the third Sunday of October, placing the 2025 date on Sunday, October 19.
• Pope Pius XI instituted the Divine Maternity of Mary on October 11, 1931, which inspired the national observance.
• Authorities first tied the celebration to the Sunday closest to October 11 under the Uriburu government before standardizing the third-Sunday rule to avoid yearly shifts.
• The date consistently drives higher sales for sectors such as clothing, books, perfumery, accessories, flowers, and restaurants.
• Most countries mark Mother’s Day on other dates, commonly the second Sunday in May, while Spain observes the first Sunday of May and parts of the Middle East celebrate on March 21.