World Snorkeling Day is celebrated on July 30, 2026.

It's World Seagrass Day on March 1, 2027.

It's World Seagrass Day on March 1, 2026.

November has a surprise: World Science Day lands on November 10, 2027.

It's World Science Day on November 10, 2026.

June 19, 2027 brings World Sauntering Day — one of summer's more delightful excuses to celebrate.

Mark your calendar: June 19, 2026 is World Sauntering Day.

World Rivers Day is celebrated on September 27, 2027.

September has a surprise: World Rivers Day lands on September 27, 2026.

January has a surprise: World Religion Day lands on January 17, 2027.