DateMath

2023 Calendar With Holidays and Week Numbers

2023 started on a Sunday and ended on a Sunday: a common year of 365 days, with the same calendar as 1905, 1911, 1922. Below is every month of 2023 with the US federal holidays marked and the US week number on each row; the calendar tool prints it with Monday starts and ISO weeks too.

2023 calendar by month

January 2023 calendar

January 2023
WkSuMoTuWeThFrSa
11 (New Year's Day)2 (New Year's Day (observed))34567
2891011121314
31516 (Martin Luther King Jr. Day)1718192021
422232425262728
5293031
  • 1 New Year's Day
  • 2 New Year's Day (observed)
  • 16 Martin Luther King Jr. Day

February 2023 calendar

February 2023
WkSuMoTuWeThFrSa
51234
6567891011
712131415161718
81920 (Washington's Birthday (Presidents' Day))2122232425
9262728
  • 20 Washington's Birthday (Presidents' Day)

March 2023 calendar

March 2023
WkSuMoTuWeThFrSa
91234
10567891011
1112131415161718
1219202122232425
13262728293031

April 2023 calendar

April 2023
WkSuMoTuWeThFrSa
131
142345678
159101112131415
1616171819202122
1723242526272829
1830

May 2023 calendar

May 2023
WkSuMoTuWeThFrSa
18123456
1978910111213
2014151617181920
2121222324252627
222829 (Memorial Day)3031
  • 29 Memorial Day

June 2023 calendar

June 2023
WkSuMoTuWeThFrSa
22123
2345678910
2411121314151617
251819 (Juneteenth)2021222324
26252627282930
  • 19 Juneteenth

July 2023 calendar

July 2023
WkSuMoTuWeThFrSa
261
27234 (Independence Day)5678
289101112131415
2916171819202122
3023242526272829
313031
  • 4 Independence Day

August 2023 calendar

August 2023
WkSuMoTuWeThFrSa
3112345
326789101112
3313141516171819
3420212223242526
352728293031

September 2023 calendar

September 2023
WkSuMoTuWeThFrSa
3512
3634 (Labor Day)56789
3710111213141516
3817181920212223
3924252627282930
  • 4 Labor Day

October 2023 calendar

October 2023
WkSuMoTuWeThFrSa
401234567
4189 (Columbus Day)1011121314
4215161718192021
4322232425262728
44293031
  • 9 Columbus Day

November 2023 calendar

November 2023
WkSuMoTuWeThFrSa
441234
455678910 (Veterans Day (observed))11 (Veterans Day)
4612131415161718
471920212223 (Thanksgiving Day)2425
482627282930
  • 10 Veterans Day (observed)
  • 11 Veterans Day
  • 23 Thanksgiving Day

December 2023 calendar

December 2023
WkSuMoTuWeThFrSa
4812
493456789
5010111213141516
5117181920212223
522425 (Christmas Day)2627282930
5331
  • 25 Christmas Day

September 2023 calendar

September 2023 started on a Friday and had these federal holidays: Labor Day on Monday, September 4, 2023.

September 2023
WkSuMoTuWeThFrSa
3512
3634 (Labor Day)56789
3710111213141516
3817181920212223
3924252627282930
  • 4 Labor Day

US federal holidays in 2023

HolidayDateObserved
New Year's DaySunday, January 1, 2023Monday, January 2, 2023
Martin Luther King Jr. DayMonday, January 16, 2023Same day
Washington's Birthday (Presidents' Day)Monday, February 20, 2023Same day
Memorial DayMonday, May 29, 2023Same day
JuneteenthMonday, June 19, 2023Same day
Independence DayTuesday, July 4, 2023Same day
Labor DayMonday, September 4, 2023Same day
Columbus DayMonday, October 9, 2023Same day
Veterans DaySaturday, November 11, 2023Friday, November 10, 2023
Thanksgiving DayThursday, November 23, 2023Same day
Christmas DayMonday, December 25, 2023Same day

More about them, with long weekends and workdays per month: federal holidays 2023.

2023 in numbers

2023
First daySunday, January 1, 2023
Last daySunday, December 31, 2023
Days365
Leap yearNo (February has 28 days)
ISO weeks52, week 1 from January 2, 2023
Same calendar, 1901–20991905, 1911, 1922, 1933, 1939, 1950, 1961, 1967, 1978, 1989, 1995, 2006, 2017, 2034, 2045, 2051, 2062, 2073, 2079, 2090

DateMath draws every month from the weekday of its 1st and the length of the month in the Gregorian calendar, and marks the federal holidays the business days calculator skips.

Frequently asked questions

What day did 2023 start on?
2023 started on Sunday, January 1, 2023 and ended on Sunday, December 31, 2023. It was a common year of 365 days.
Which years have the same calendar as 2023?
1905, 1911, 1922, 1933, 1939, 1950, 1961, 1967, 1978, 1989, 1995, 2006, 2017, 2034, 2045, 2051, 2062, 2073, 2079, 2090: between 1901 and 2099 these years also start on a Sunday and are common years, so every date falls on the same weekday. Only the holidays that depend on the year, such as Juneteenth from 2021, differ.
How many weeks did 2023 have?
52 ISO weeks: ISO week 1 of 2023 started on Monday, January 2, 2023. In whole days, 2023 was 52 weeks and 1 day.
What day of the week did September 2023 start on?
On a Friday. The September 2023 calendar on this page shows the whole month with its holidays and week numbers.

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