World Social Work Day is celebrated on March 16, 2027.

Mark your calendar: March 17, 2026 is World Social Work Day.

July 30, 2027 brings World Snorkeling Day — one of summer's more delightful excuses to celebrate.

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.