December 21st is day 355 of the year (out of 365) and falls in week 51 of the ISO calendar. After this date, 10 days remain until the end of the year. People born on December 21 are born under the sign of Sagittarius. In the Northern Hemisphere, December 21 falls in Winter; in the Southern Hemisphere it falls in Summer. Winter Solstice: December 21 is approximately the winter solstice in the Northern Hemisphere — the shortest day of the year with the fewest hours of daylight. This live countdown shows the exact time remaining until the next December 21. The timer resets automatically once the date arrives.

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Frequently Asked Questions

How many days until December 21st?

Use the live countdown above to see the exact days, hours, minutes and seconds until December 21st.

What day of the year is December 21st?

December 21st is day number 355 of the year (in a non-leap year), with 10 days remaining after it. It falls in week 51 of the ISO calendar year.

What zodiac sign is December 21st?

People born on December 21 are Sagittarius. Sagittarius is their sun sign according to the Western zodiac calendar.

What season is December 21st?

In the Northern Hemisphere, December 21 falls in Winter. In the Southern Hemisphere, it falls in Summer.

Does the countdown reset each year?

Yes — once December 21 arrives, the countdown automatically resets to next year's December 21.

What is special about December 21st?

December 21 is approximately the winter solstice in the Northern Hemisphere — the shortest day of the year with the fewest hours of daylight.

Who was born on December 21st?

Some of the most famous people born on December 21 include: Samuel L. Jackson (Actor (Pulp Fiction, Avengers, Django Unchained)). Jane Fonda (Two-time Oscar-winning actress and activist). Chris Evert (Tennis legend, 18 Grand Slam titles).

What happened on December 21st in history?

In 1988, Pan Am Flight 103 was bombed over Lockerbie, Scotland, killing 270 people.