World Introvert Day Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: January 2, 2023 all-day Repeats 2023-01-02T00:00:00-06:00 2023-01-03T00:00:00-06:00 Where: World Introvert Day United States WORLD INTROVERT DAY World Introvert Day on January 2nd serves as an opportunity for people around the world to better understand and appreciate introverts.