DateAlmanac

December 2027

31 daysStarts Wednesday, ends Friday22 working days8 weekend daysISO weeks 4852

Calendar grid for 12/2027, weeks starting Sun
ISO week
48
49
50
51
52

Holidays in December

  • Christmas EveFri, Dec 24 · Federal
  • Christmas DaySat, Dec 25 · Federal, observed Fri, Dec 24
  • New Year's EveFri, Dec 31 · Federal

Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 3 religious dates fall in December 2027 as well — see the calendar with every holiday.

Moon phases

  • First QuarterMon, Dec 6, 12:22 AM
  • Full MoonMon, Dec 13, 11:08 AM
  • Last QuarterMon, Dec 20, 4:10 AM
  • New MoonMon, Dec 27, 3:12 PM

Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.

The moon through December

  1. 1
  2. 3
  3. 5
  4. 7
  5. 9
  6. 11
  7. 13
  8. 15
  9. 17
  10. 19
  11. 21
  12. 23
  13. 25
  14. 27
  15. 29
  16. 31
The moon every other evening, drawn at its true illumination. The terminator is a semi-ellipse, not a straight edge — it only looks straight at the quarters.

About December 2027

December 2027 has 31 days. It begins on a Wednesday and ends on a Friday, which gives the month five Wednesdays, Thursdays and Fridays — and only four of every other weekday. Of its 23 weekdays, 1 is a federal holiday, leaving 22 working days.

Christmas Eve falls on Friday, December 24, 2027. Christmas Day falls on Saturday, December 25, 2027, observed on Friday, December 24, 2027 because it lands at the weekend. New Year's Eve falls on Friday, December 31, 2027.

The December solstice falls on Tuesday, December 21, 2027, the 21st of the month.

The month runs from Wednesday, December 1, 2027 to Friday, December 31, 2027, spanning ISO weeks 48 to 52.

Calendar with holidaysPrintable versionDownload PDFFull year 2027