How many days until December 21?
👉 There are 38 days until Monday, December 21, 2026
Count down to another date
Time left until December 21
How many days until December 21?
38Days
How many weeks until December 21?
5Weeks
How many workdays until December 21?
26Weekdays
How many weekends until December 21?
6Weekends
How many months until December 21?
1Months
How many hours until December 21?
892Hours
How many minutes until December 21?
53,535Minutes
How many seconds until December 21?
3,212,116Seconds
Some facts about December 21, 2026
| Day of the week | Monday |
|---|---|
| Day type | Weekday |
| Day of the year | 355th of 365 |
| Days left in 2026 after this date | 10 |
| ISO week number | 52 |
| Quarter | Q4 |
| Season | Winter (Northern Hemisphere), Summer (Southern) |
| Zodiac sign | Sagittarius (November 22 – December 21) |
| Birthstone | Turquoise, tanzanite and zircon |
| Birth flower | Narcissus and holly |
| Moon phase | Waxing Gibbous, about 93% illuminated |
| Days in December | 31 |
| Leap year | No, 2026 has 365 days |
| Year progress | 97.26% |
| US format | 12/21/2026 |
| UK / European format | 21/12/2026 |
| ISO 8601 | 2026-12-21 |
| Unix time at 00:00 UTC | 1797811200 |
December 2026 calendar
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24Christmas Eve | 25Christmas | 26 |
| 27 | 28 | 29 | 30 | 31New Year's Eve |
December 21 in the coming years
| Year | Day of the week | Days from today |
|---|---|---|
| 2026 | Monday | 38 |
| 2027 | Tuesday | 403 |
| 2028 | Thursday | 769 |
| 2029 | Friday | 1,134 |
| 2030 | Saturday | 1,499 |
| 2031 | Sunday | 1,864 |
| 2032 | Tuesday | 2,230 |
| 2033 | Wednesday | 2,595 |
| 2034 | Thursday | 2,960 |
| 2035 | Friday | 3,325 |
About December 21
December 21, 2026 is the 355th day of 2026 and falls on a Monday.
Veterans Day was 40 days earlier, on November 11, 2026.
Thanksgiving Day was 25 days earlier, on November 26, 2026.
Christmas Eve is 3 days later, on December 24, 2026.
Christmas Day is 4 days later, on December 25, 2026.
New Year's Eve is 10 days later, on December 31, 2026.
New Year's Day is 11 days later, on January 1, 2027.
Martin Luther King Jr. Day is 28 days later, on January 18, 2027.
Questions about December 21
How many days until December 21?
There are 38 days until Monday, December 21, 2026 (counting from November 13, 2026).
What day of the week is December 21, 2026?
December 21, 2026 is a Monday.
How many weekdays are there until December 21?
There are 26 weekdays (Monday–Friday) and 12 weekend days.