- This event has passed.
Hawaiian Shirt Day
August 21
Hawaiian Shirt Day is celebrated on August 21, 2026. A fun excuse to learn something new or gather your favorite people.
Photo: Sam Howzit via Wikimedia Commons.
Hawaiian Shirt Day is celebrated on August 21, 2026. A fun excuse to learn something new or gather your favorite people.
Photo: Sam Howzit via Wikimedia Commons.