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DateAlmanac

December 2027

  • 31 days
  • Starts Wednesday
  • Ends Friday
  • 21 working days
  • 8 weekend days
  • ISO weeks 48–52
Calendar grid for 12/2027, weeks starting Sun
ISO week number, Monday to Sunday
48
49
50
51
52

Holiday or observanceWeekend

Holidays in December

  • Christmas EveDec 24
  • Christmas DayDec 25
  • New Year's EveDec 31
  • New Year's DayJan 1

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 quarter

    Mon, Dec 6

    12:22 AM ET

  • Full moon

    Mon, Dec 13

    11:08 AM ET

  • Last quarter

    Mon, Dec 20

    4:10 AM ET

  • New moon

    Mon, Dec 27

    3:12 PM ET

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, 2 are federal holidays, leaving 21 working days.

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

2027 at a glance

Calendar with holidaysPrintable versionDownload PDFFull year 2027