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December 2023 Calendar

December 2023 has 31 days, starting on a Friday and ending on a Sunday. It spans ISO weeks 48–52, with 21 weekdays and 10 weekend days — and 6 public holidays across the 12 countries listed below.

2023 overview

December 2023 month grid

December 2023

W MonTueWedThuFriSatSun
48 27 28 29 30 1 2 3
49 4 5 Last Quarter 05:50 UTC 6 7 8 9 10
50 11 12 New Moon 23:32 UTC 13 14 15 Rugby World Cup Win Public Holiday 16 Day of Reconciliation 17
51 18 19 First Quarter 18:40 UTC 20 21 22 December solstice 23 24
52 25 Christmas Day 26 Boxing Day · St. Stephen's Day · Day of Goodwill 27 Full Moon 00:34 UTC 28 29 30 31
1 1 2 3 4 5 6 7

12 public holiday 🌑 🌓 🌕 🌗 moon phase (UTC date) solstice W = ISO week

Public holidays in December 2023

DateHolidayObserved in
Rugby World Cup Win Public Holiday South Africa
Day of Reconciliation South Africa
Christmas Day US, UK, Canada, Australia, Ireland, India, Germany, France, Brazil, Mexico, South Africa
Boxing Day UK, Canada, Australia, Germany
St. Stephen's Day Ireland
Day of Goodwill South Africa

National holidays only, from the open-source date-holidays dataset. States, provinces and regions add their own — see each country's holiday page for the full list and observances.

Moon phases

  • Last Quarter
  • New Moon
  • First Quarter
  • Full Moon

December solstice:

Times are shown in your time zone when JavaScript is on, UTC otherwise; near midnight the local date can differ. For moonrise and moonset see the moon pages for New York, London or Sydney.

December 2023 at a glance

Days
31
Weekdays
21
Weekend days
10
ISO weeks
48–52
Day of year
335–365 of 365
Quarter
Q4
Days left in 2023 after the 31st
0
Friday the 13th
No

The name: From the Latin decem, "ten": it was the tenth month of the early Roman calendar.

Working days by country

Monday–Friday minus national public holidays that fall on a weekday. Regional holidays are not subtracted.

Need a span that crosses months? Use the date and time calculator.

December 2023: common questions

How many working days are there in December 2023?

December 2023 has 21 weekdays (Monday to Friday) and 10 weekend days. In the United States, Christmas Day (Mon, Dec 25) falls in the month, leaving 20 working days. In the United Kingdom, Christmas Day (Mon, Dec 25) and Boxing Day (Tue, Dec 26) leave 19 working days (UK-wide bank holidays only; England, Scotland and Northern Ireland each add their own).

What week numbers are in December 2023?

December 2023 covers ISO weeks 48, 49, 50, 51, 52. ISO weeks start on Monday, so December 1, a Friday, falls in week 48.

When is the full moon in December 2023?

Wednesday, December 27 at 00:34 UTC. The new moon is on Tuesday, December 12.

What day of the week does December 2023 start on?

December 2023 starts on a Friday and ends on a Sunday (the 31st). It runs from day 335 to day 365 of the year.

Other months in 2023

December in other years