December 2026 Calendar
A printable December 2026 calendar with US federal holidays, moon phases and ISO week numbers. December 1 is a Tuesday. Download it as a PDF or change it in the calendar maker.
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 29 | 30 | 1Last Quarter | 2 | 3 | 4 | 5 |
| 6 | 7 | 8New Moon | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17First Quarter | 18 | 19 |
| 20 | 21 | 22 | 23Full Moon | 24Christmas Eve | 25Christmas Day | 26 |
| 27 | 28 | 29 | 30Last Quarter | 31New Year's Eve | 1 | 2 |
Updated by Khokhar Sab
What day does December 2026 start on?
December 1, 2026 is a Tuesday, and the month ends on Thursday, December 31. It has 31 days: 23 weekdays and 8 weekend days. Tuesdays, Wednesdays and Thursdays occur five times. The first Monday is December 7. A grid with weeks starting on Sunday needs 5 rows.
| First day | Tuesday, December 1, 2026 |
|---|---|
| Last day | Thursday, December 31, 2026 |
| Days | 31 (23 weekdays, 8 weekend days) |
| Rows on a Sunday-first calendar | 5 |
| Day of the year | December 1 is day 335 of 365 |
What holidays are in December 2026?
December 2026 has 1 federal holiday: Christmas Day, Friday, December 25. Other marked days are Christmas Eve and New Year's Eve. Federal offices close on the holiday, or on the observed weekday when it lands on a weekend. The dates follow 5 U.S.C. 6103.
| Date | Name | Type |
|---|---|---|
| Thursday, December 24 | Christmas Eve | Common day |
| Friday, December 25 | Christmas Day | Federal holiday |
| Thursday, December 31 | New Year's Eve | Common day |
Federal holidays follow 5 U.S.C. 6103 and the OPM holiday list. Common days are not federal holidays.
What are the moon phases in December 2026?
December 2026 has Last Quarter on December 1, New Moon on December 8, First Quarter on December 17, Full Moon on December 23 and Last Quarter on December 30. Dates and times are in US Eastern Time, computed from Jean Meeus periodic terms.
| Phase | Date | Time |
|---|---|---|
| Last Quarter | Tuesday, December 1 | 1:08 a.m. |
| New Moon | Tuesday, December 8 | 7:52 p.m. |
| First Quarter | Thursday, December 17 | 12:42 a.m. |
| Full Moon | Wednesday, December 23 | 8:28 p.m. |
| Last Quarter | Wednesday, December 30 | 1:59 p.m. |
What week numbers are in December 2026?
December 2026 touches ISO weeks 49, 50, 51, 52 and 53. ISO weeks start on Monday, and week 1 is the week with the year's first Thursday. 2026 has 53 ISO weeks, and week 1 starts on Monday, December 29.
| Week | Monday | Sunday |
|---|---|---|
| 49 | Nov 30, 2026 | Dec 6, 2026 |
| 50 | Dec 7, 2026 | Dec 13, 2026 |
| 51 | Dec 14, 2026 | Dec 20, 2026 |
| 52 | Dec 21, 2026 | Dec 27, 2026 |
| 53 | Dec 28, 2026 | Jan 3, 2027 |
How many workdays are in December 2026?
December 2026 has 23 weekdays from Monday to Friday. 1 federal holiday closes federal offices on a weekday, which leaves 22 federal workdays. The other 8 days are Saturdays and Sundays. Private employers set their own holiday schedules, so check yours.
The federal workday count removes: Christmas Day (Dec 25).
How do I print a December 2026 calendar?
Press Download PDF on this page for a December 2026 calendar on US Letter, or open the calendar maker to switch to A4, landscape, a different week start, notes lines, week numbers or your own photo. Print at 100 percent, not Fit to page.
For one week at a time, use the weekly calendar template. For the whole year, open the 2026 calendar.
More months in 2026
- January 2026
- February 2026
- March 2026
- April 2026
- May 2026
- June 2026
- July 2026
- August 2026
- September 2026
- October 2026
- November 2026
- Full 2026 calendar
Related tools
Where these dates come from
- US Office of Personnel Management: Federal Holidays: the federal holiday list and the Friday or Monday observed when a holiday falls on a weekend
- 5 U.S. Code section 6103: Holidays (Cornell Legal Information Institute): the statute behind the holiday dates
- Wikipedia: ISO week date: how ISO week numbers are counted