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December 2028 calendar

31 days21 weekdaysStarts on FridayISO weeks 48–52

December 2028
WkMonTueWedThuFriSatSun
48
49
50
51
52

‹ November 2028 Calendar 2028

December 2028 in numbers

Days
31
Weekdays (Mon–Fri)
21
Weekend days
10
First and last day
Friday – Sunday
First and last working day
Fri, Dec 1 – Fri, Dec 29
Week numbers
48–52
Day of the year
336–366
Quarter
Q4 2028
Islamic months (computed)
Rajab – Sha'ban 1450 AH

With 31 days, December 2028 has four full weeks plus 3 extra days, so Friday, Saturday and Sunday occur five times; every other weekday occurs four times. It has five full Friday-to-Sunday weekends, which only happens in a 31-day month that starts on a Friday.

December 1 is day 336 of the year, so December 2028 covers day numbers 336 to 366. In the Umm al-Qura Islamic calendar, 1 Sha'ban 1450 AH falls on December 17 (computed; where months begin with the sighting of the new crescent, the start can differ by a day).

Public holidays in December 2028

DateHolidayWhere
Wed, Dec 6Constitution DaySpain
Fri, Dec 8Immaculate ConceptionSpain
Sat, Dec 16Day of ReconciliationSouth Africa
Sun, Dec 24Christmas Eve (6pm to midnight)Australia: Queensland
Mon, Dec 25Christmas DayUnited States (federal), UK: England and Wales, UK: Scotland, UK: Northern Ireland, Canada (federal), Australia (national), Australia: New South Wales, Australia: Queensland, Australia: Western Australia, Ireland, New Zealand, South Africa, Singapore, Hong Kong, France, Spain
Tue, Dec 26Boxing DayUK: England and Wales, UK: Scotland, UK: Northern Ireland, Canada (federal), Australia (national), Australia: New South Wales, Australia: Queensland, Australia: Western Australia, New Zealand
Tue, Dec 26Saint Stephen's DayIreland
Tue, Dec 26Day of GoodwillSouth Africa

National holidays of the 17 sets we take from official government sources; see public holidays by country for regional days and sources. Where a holiday that falls on a weekend moves to a weekday, the table shows the day off.

Other dates in December 2028

Days that many people keep but that are not public holidays in our 17 sets, each from its fixed rule. Jewish dates begin at sunset the evening before; Islamic dates follow the Umm al-Qura calendar and are announced locally.

Clock changes and seasons

Clock changes from IANA tzdata as the rules stand today. Equinox and solstice times are the US Naval Observatory’s, in UTC.

Questions

How many weekdays are in December 2028?
21 weekdays (Monday to Friday) and 10 weekend days, out of 31 days. Public holidays are not subtracted, because they depend on the country; this month has 8 holiday dates in the countries we cover (see the table on this page).
What day does December 2028 start on?
December 2028 starts on Friday, December 1, 2028 and ends on Sunday, December 31, 2028. The first working day is Fri, Dec 1 and the last is Fri, Dec 29.
What week numbers are in December 2028?
Under ISO 8601 (weeks from Monday) December 2028 spans weeks 48–52. The week number page explains the rule.
What is the day number of December 1, 2028?
December 1 is day 336 of 2028 and December 31 is day 366, the last day of a leap year. In the YYDDD format often called a Julian date, the month runs from 28336 to 28366.
What holidays are in December 2028?
Constitution Day (Wed, Dec 6: Spain); Immaculate Conception (Fri, Dec 8: Spain); Day of Reconciliation (Sat, Dec 16: South Africa); Christmas Eve (6pm to midnight) (Sun, Dec 24: Australia: Queensland); Christmas Day (Mon, Dec 25: 16 of our holiday sets); Boxing Day (Tue, Dec 26: 9 of our holiday sets); Saint Stephen's Day (Tue, Dec 26: Ireland); Day of Goodwill (Tue, Dec 26: South Africa).

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