How Many Days Until December 21st?
That's 11 weeks and 3 days
There are 80 days until December 21st on Monday, December 21, 2026. That is 11 weeks and 3 days — roughly 2.6 months, or 1,920 hours.
Counted from today (not including today). This page updates automatically — last rebuilt October 2, 2026.
What Day of the Week Is December 21st?
| Year | Date | Day of the week |
|---|---|---|
| 2026 | December 21, 2026 | Monday |
| 2027 | December 21, 2027 | Tuesday |
| 2028 | December 21, 2028 | Thursday |
| 2029 | December 21, 2029 | Friday |
| 2030 | December 21, 2030 | Saturday |
| 2031 | December 21, 2031 | Sunday |
About December 21st
December 21st is the 355th day of the year (the 356th in leap years), leaving 10 days until the end of the year. Below are notable facts, observances, and historical events associated with December 21st.
Interesting Facts About December 21st
December 21st is the winter solstice in the Northern Hemisphere, marking the shortest day and longest night of the year
People born on December 21st are on the Sagittarius-Capricorn cusp, combining adventure with ambition
Ancient monuments like Stonehenge and Newgrange were built to align with the winter solstice sunrise
This is day 355 of the year, with 10 days remaining until New Year's Eve
The winter solstice has been celebrated for thousands of years across cultures worldwide
Traditions & Observances on December 21st
Watching the sunrise at Stonehenge is a popular modern winter solstice tradition, attracting thousands of visitors
In China, the Dongzhi Festival involves families gathering to eat tang yuan (rice balls) for good fortune
Japanese people celebrate Toji by taking warm yuzu-scented baths and eating kabocha squash for good health
In Iran, Shab-e Yalda is celebrated with families gathering to eat pomegranates and nuts through the longest night
The Kalasha people of Pakistan celebrate Chaomos with ritual baths, torchlight processions, and festive feasts lasting seven days
Historical Events on December 21st
Pilgrims aboard the Mayflower came ashore at Plymouth Rock in present-day Massachusetts for the first time
The first crossword puzzle was published in the New York World newspaper by Arthur Wynne
Snow White and the Seven Dwarfs, the world's first full-length animated feature film, premiered in Los Angeles
Apollo 8 astronauts became the first humans to orbit the Moon, broadcasting a Christmas message to Earth
Pan Am Flight 103 exploded over Lockerbie, Scotland, killing all 259 people aboard and 11 on the ground
Ancient times - Stonehenge was constructed with its primary axis aligned to the winter solstice sunset
3200 BCE - Newgrange monument in Ireland was built so sunlight enters only on winter solstice mornings
274 CE - Roman Emperor Aurelian made December 25 the birthday of Sol Invictus, influenced by solstice celebrations
Frequently Asked Questions
How many days until December 21, 2026?
As of October 2, 2026, there are 80 days until December 21, 2026, not counting today. The live countdown at the top of this page always shows the current number.
How many weeks until December 21st?
There are 11 weeks and 3 days until December 21, 2026 (about 2.6 months), counted from October 2, 2026.
What day of the week is December 21, 2026?
December 21, 2026 falls on a Monday. In 2027 it falls on a Tuesday; In 2028 it falls on a Thursday; In 2029 it falls on a Friday.
How many days until December 21, 2027?
As of October 2, 2026, there are 445 days until December 21, 2027, which is a Tuesday.
What day of the year is December 21st?
December 21st is the 355th day of the year (the 356th in leap years), leaving 10 days until the end of the year.
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Counting Down to Something on December 21st?
If December 21st is a birthday, wedding, trip, exam, or deadline, save it as your own countdown — it stays in your browser, no signup needed. You can also:
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