What day of the week is December 21, 2026?

December 21, 2026 is a Monday. In 2027 it falls on a Tuesday, because a common year moves every date forward by one weekday and a leap year by two.

How many weeks until December 21?

Divide the days by 7: the countdown shows the result as whole weeks plus leftover days. December 21 is day 355 of 2026, so from January 1 it is 354 days or about 50.6 weeks into the year.

Is December 21 a holiday?

December 21 is Winter solstice (approx.). It is an observance rather than a public holiday, so banks, schools and offices stay open.

Days Until December 21

How many days until December 21? The countdown below runs live from today and shows the answer in days, weeks and hours, plus the weekday the next December 21 falls on. Further down: December 21 in the coming years, what is observed on the date, and countdowns to the days around it.

📅 Days until December 21

…

Year	Weekday	Day of year	Days left in year	ISO week
2026	Monday	355 of 365	10	52
2027	Tuesday	355 of 365	10	51
2028	Thursday	356 of 366	10	51
2029	Friday	355 of 365	10	51
2030	Saturday	355 of 365	10	51

The weekday advances by one each common year and by two after a leap day, so December 21 repeats the same weekday on a 6-11-6-5-year cycle (e.g. Monday in 2026 and again in 2032).

What is on December 21?

Winter solstice (approx.) — every year.
Zodiac sign: ♐ Sagittarius · Birthstone for December: Turquoise · Birth flower: Narcissus.
Season in the Northern Hemisphere: Fall. Next December 21 is Monday, December 21, 2026.

Days around December 21

Days until December 18 Days until December 19 Days until December 20 Days until December 22 Days until December 23 Days until December 24 Days until November 21 Days until January 21 All holiday countdowns Days between two dates

Days Until December 21

December 21 in the coming years

What is on December 21?

Days around December 21

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