December 2026 Calendar
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December 2026 at a glance
| Wk | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 49 | 1 | 2 | 3 | 4 | 5 Hanukkah | ||
| 50 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 51 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 52 | 20 | 21 | 22 | 23 | 24 Christmas Eve | 25 Christmas | 26 |
| 53 | 27 | 28 | 29 | 30 | 31 New Year's Eve |
About December 2026
December 2026 has 31 days. It starts on a Tuesday and ends on a Thursday, with 23 weekdays (Monday to Friday) and 22 federal working days once the holiday is taken out. The month covers ISO weeks 49 to 53 and days 335 to 365 of the year (quarter 4).
Federal holiday this month: Christmas Day on Friday, December 25, 2026 (the december 25).
Long weekend: Fri, Dec 25 to Sun, Dec 27 (Christmas Day).
The December solstice is on Monday, December 21, 2026 at 3:50 p.m. EST, the astronomical start of winter. The full moon falls on Wed, Dec 23 (Cold Moon, 8:28 p.m. EST).
Holidays and observances in December 2026
| Date | Holiday | Type |
|---|---|---|
| Sat, Dec 5 | Hanukkah (first day)Begins at sundown the evening before. | Religious |
| Thu, Dec 24 | Christmas Eve | Observance |
| Fri, Dec 25 | Christmas DayFederal offices, banks and most post offices closed. | Federal holiday |
| Thu, Dec 31 | New Year's Eve | Observance |
Moon phases in December 2026
- Last Quarter: Tue, Dec 1 at 1:09 a.m. EST
- New Moon: Tue, Dec 8 at 7:52 p.m. EST
- First Quarter: Thu, Dec 17 at 12:43 a.m. EST
- Full Moon: Wed, Dec 23 at 8:28 p.m. EST
- Last Quarter: Wed, Dec 30 at 2:00 p.m. EST
Questions and answers
What day does December 2026 start on?
December 2026 starts on Tuesday, December 1, 2026 and ends on Thursday, December 31, 2026.
How many working days are in December 2026?
There are 23 weekdays in December 2026. Taking out the federal holiday leaves 22 working days for federal offices. Private employers set their own holidays.
What holidays are in December 2026?
Federal: Christmas Day (Fri, Dec 25). Other dates: Hanukkah (first day) (Sat, Dec 5), Christmas Eve (Thu, Dec 24), New Year's Eve (Thu, Dec 31).
What week numbers are in December 2026?
December 2026 covers ISO weeks 49 to 53. ISO weeks start on Monday, and week 1 is the week with the year's first Thursday.
Holidays: U.S. Office of Personnel Management, Federal Holidays (5 U.S.C. 6103), last checked October 17, 2026. Moon phases calculated with Astronomy Engine, US Eastern Time. Unofficial calendar for planning; check with your employer or agency.