What Day of the Week Is December 9?
December 9, 2026 falls on a Wednesday.
It is day 343 of 2026, and 22 days of the year come after it. The date sits in ISO week 50 and in the fourth quarter, October to December. North of the equator it is day 79 of fall, and winter starts on December 21. In Australia and the rest of the south, it is spring. The Moon is a waxing crescent that day, and the next full moon is on Wednesday, December 23, 2026. It is not a US federal holiday.
December 9 from 2025 to 2028
The same date in four years, side by side. Moon phases use US Eastern dates.
| Fact | 2025 | 2026 | 2027 | 2028 |
|---|---|---|---|---|
| Day of the week | Tuesday | Wednesday | Thursday | Saturday |
| Day of the year | 343 of 365 | 343 of 365 | 343 of 365 | 344 of 366 |
| Days left in the year | 22 | 22 | 22 | 22 |
| ISO week | 50 | 50 | 49 | 49 |
| Quarter | Q4 | Q4 | Q4 | Q4 |
| Season (north) | Day 79 of fall | Day 79 of fall | Day 78 of fall | Day 79 of fall |
| Moon (US Eastern) | Waning gibbous | Waxing crescent | Waxing gibbous | Last quarter |
| US federal holiday | No | No | No | No |
| Other holidays | – | – | – | – |
Holidays on December 9
None of the 245 holidays and observances on this site is fixed to December 9.
Born on December 9
In most horoscope tables, December 9 falls under Sagittarius, the sign that runs from November 22 to December 21.
The birthstone for December is the turquoise, and the American Gem Society also lists tanzanite, zircon and blue topaz.
December 9 every year from 1950 to 2049
Find the decade on the left, then the last digit of the year across the top. A baby born on December 9, 1990 arrived on a Sunday, and one born on December 9, 2000 on a Saturday. Weekends are shaded.
| Years | …0 | …1 | …2 | …3 | …4 | …5 | …6 | …7 | …8 | …9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1950s | Sat | Sun | Tue | Wed | Thu | Fri | Sun | Mon | Tue | Wed |
| 1960s | Fri | Sat | Sun | Mon | Wed | Thu | Fri | Sat | Mon | Tue |
| 1970s | Wed | Thu | Sat | Sun | Mon | Tue | Thu | Fri | Sat | Sun |
| 1980s | Tue | Wed | Thu | Fri | Sun | Mon | Tue | Wed | Fri | Sat |
| 1990s | Sun | Mon | Wed | Thu | Fri | Sat | Mon | Tue | Wed | Thu |
| 2000s | Sat | Sun | Mon | Tue | Thu | Fri | Sat | Sun | Tue | Wed |
| 2010s | Thu | Fri | Sun | Mon | Tue | Wed | Fri | Sat | Sun | Mon |
| 2020s | Wed | Thu | Fri | Sat | Mon | Tue | Wed | Thu | Sat | Sun |
| 2030s | Mon | Tue | Thu | Fri | Sat | Sun | Tue | Wed | Thu | Fri |
| 2040s | Sun | Mon | Tue | Wed | Fri | Sat | Sun | Mon | Wed | Thu |
When December 9 is on the same weekday again
After 2026, December 9 is next a Wednesday in 2037. The next weekend December 9 is in 2028, on a Saturday.
| Day of the week | Next year after 2026 |
|---|---|
| Monday | 2030 |
| Tuesday | 2031 |
| Wednesday | 2037 |
| Thursday | 2027 |
| Friday | 2033 |
| Saturday | 2028 |
| Sunday | 2029 |
December 9 by year
| Year | Day of the week | Weekend or weekday |
|---|---|---|
| 2023 | Saturday | Weekend |
| 2024 | Monday | Weekday |
| 2025 | Tuesday | Weekday |
| 2026 | Wednesday | Weekday |
| 2027 | Thursday | Weekday |
| 2028 | Saturday | Weekend |
| 2029 | Sunday | Weekend |
| 2030 | Monday | Weekday |
| 2031 | Tuesday | Weekday |
| 2032 | Thursday | Weekday |
| 2033 | Friday | Weekday |
| 2034 | Saturday | Weekend |
Why the weekday changes
A common year is 365 days, one day more than 52 weeks. So December 9 moves on one weekday each year: Wednesday in 2026, Thursday in 2027. The jump is two days when February 29 comes in between, so December 9, 2028 is a Saturday, two on from 2027's Thursday. Between 1901 and 2099, the whole pattern repeats every 28 years.
More about December 9 on this site
December 9 questions
What day of the week is December 9, 2026?
December 9, 2026 is a Wednesday. It is day 343 of the year and falls in ISO week 50.
Is December 9 a holiday?
None of the holidays on this site is fixed to December 9. December 9, 2026 is not a US federal holiday.
Cite this page
APA: ClockTotals. (2026, October 31). What Day of the Week Is December 9? https://clocktotals.com/what-day-is/december-9/
MLA: “What Day of the Week Is December 9?” ClockTotals, 31 Oct. 2026, clocktotals.com/what-day-is/december-9/.
Link (HTML): <a href="https://clocktotals.com/what-day-is/december-9/">What Day of the Week Is December 9?</a>