December 21 national days 2026
On December 21st, 4 national days fall on this date.
December 21 is a date on the 2026 national-day calendar. TheDayOf currently lists 4 observances for this date: National Cookie Exchange Day, World Meditation Day, National Look on the Bright Side Day, and World Basketball Day. Open any day page for the date, history, and how to celebrate, or browse the rest of December from the month hub.
National Cookie Exchange Day
National Cookie Exchange Day is an informal observance for holiday cookie swaps - bake one kind, trade for many. Calendars commonly list it…
World Meditation Day
World Meditation Day on December 21 is the United Nations date for a simple, secular pause: sit, breathe, and notice what is here. You do…
National Look on the Bright Side Day
National Look on the Bright Side Day is an informal positivity observance marked on December 21. In 2026 that is Monday, December 21. It…
World Basketball Day
World Basketball Day on December 21 is the United Nations date for the round-ball game James Naismith invented for a winter gym class. Lace…