December 2027 at a glance
December 2027 has 31 days. It starts on a Wednesday and ends on a Friday, with 23 weekdays and 8 weekend days (4 Saturdays and 4 Sundays). It covers ISO weeks 48 to 52, and days 335 to 365 of the year.
Week by week
Week 48 runs from Mon, Nov 29 to Sun, Dec 5; week 49 from Mon, Dec 6 to Sun, Dec 12; week 50 from Mon, Dec 13 to Sun, Dec 19; week 51 from Mon, Dec 20 to Sun, Dec 26; week 52 from Mon, Dec 27 to Sun, Jan 2. By the end of December, 365 days of 2027 have gone by (100%) and 0 remain. December is part of the fourth quarter (Q4), which has 61 working days in all.
Holidays in December 2027
- Friday, December 24: Christmas Day (observed)
- Saturday, December 25: Christmas Day
- Friday, December 31: New Year’s Day (observed)
Counting Monday to Friday, December 2027 has 21 working days: 23 weekdays minus 2 federal holidays on a weekday. It brings long weekends thanks to Christmas Day (observed) (Friday, December 24) and New Year’s Day (observed) (Friday, December 31).
Other dates to know: Christmas Eve (Friday, December 24) and New Year’s Eve (Friday, December 31).
Moon, seasons and clocks
Moon phases in Eastern Time: first quarter on Monday, December 6 at 12:22 AM, full moon on Monday, December 13 at 11:09 AM, last quarter on Monday, December 20 at 4:11 AM and new moon on Monday, December 27 at 3:12 PM. The full moon of December 13 is traditionally called the Cold Moon. The December solstice falls on Tuesday, December 21 at 9:42 PM Eastern Time (02:42 UTC): the shortest day of the year north of the equator.
| Key date | Day |
|---|---|
| First quarter | Mon, Dec 6 |
| Full moon (Cold Moon) | Mon, Dec 13 |
| Last quarter | Mon, Dec 20 |
| December solstice | Tue, Dec 21 |
| Christmas Day (observed) (federal holiday) | Fri, Dec 24 |
| Christmas Eve | Fri, Dec 24 |
| Christmas Day (federal holiday) | Sat, Dec 25 |
| New moon | Mon, Dec 27 |
| New Year’s Day (observed) (federal holiday) | Fri, Dec 31 |
| New Year’s Eve | Fri, Dec 31 |
About December
December is the month to look ahead: mark next year’s holidays, count your remaining vacation days and print a calendar for the fridge. When Christmas falls on a Saturday, as in 2027, the federal holiday is observed on Friday, December 24.
November 2027 · 2027 calendar · US holidays 2027 · week number today · moon calendar for December 2027