Week Number 52 (Week 52) 2021

Updated on by Michael Mühl

Week Number 52 of the current year 2021 is defined as follows:

European and Asian calculation

Mainly in Europe and Asia, the international ISO 8601 definition is used for counting calendar weeks:

Week Number 52/2021

Monday, December 27, 2021

Sunday, January 2, 2022

ISO: 2021‑W52

American calculation

In the USA, Canada and most Latin American countries, Australia, Japan, Israel, South Korea and others, the following definition of Week 52 applies:

Week Number 52/2021

Sunday, December 19, 2021

Saturday, December 25, 2021

The date of the calendar Week 52 (Week 52) in the past and coming years

The following table provides an overview of the calendar Week 52 for each year. The beginning of the calendar Week 52 and its end are shown according to the two most commonly used definitions of calendar weeks worldwide. The first is the international ISO standard for Week 52, referred to here as the "European" calculation method. It is mainly used in Europe and Asia. On the other hand, the "American" calculation method for weeks is listed, which is mainly used in North and South America, Australia and Japan.

Week Number 52
Year Calculation
Method
Start of Week 52End of Week 52ISO Name
2011 European Monday, December 26, 2011Sunday, January 1, 20122011‑W52
American Sunday, December 18, 2011Saturday, December 24, 2011-
2012 European Monday, December 24, 2012Sunday, December 30, 20122012‑W52
American Sunday, December 23, 2012Saturday, December 29, 2012-
2013 European Monday, December 23, 2013Sunday, December 29, 20132013‑W52
American Sunday, December 22, 2013Saturday, December 28, 2013-
2014 European Monday, December 22, 2014Sunday, December 28, 20142014‑W52
American Sunday, December 21, 2014Saturday, December 27, 2014-
2015 European Monday, December 21, 2015Sunday, December 27, 20152015‑W52
American Sunday, December 20, 2015Saturday, December 26, 2015-
2016 European Monday, December 26, 2016Sunday, January 1, 20172016‑W52
American Sunday, December 18, 2016Saturday, December 24, 2016-
2017 European Monday, December 25, 2017Sunday, December 31, 20172017‑W52
American Sunday, December 24, 2017Saturday, December 30, 2017-
2018 European Monday, December 24, 2018Sunday, December 30, 20182018‑W52
American Sunday, December 23, 2018Saturday, December 29, 2018-
2019 European Monday, December 23, 2019Sunday, December 29, 20192019‑W52
American Sunday, December 22, 2019Saturday, December 28, 2019-
2020 European Monday, December 21, 2020Sunday, December 27, 20202020‑W52
American Sunday, December 20, 2020Saturday, December 26, 2020-
2021 European Monday, December 27, 2021Sunday, January 2, 20222021‑W52
American Sunday, December 19, 2021Saturday, December 25, 2021-
2022 European Monday, December 26, 2022Sunday, January 1, 20232022‑W52
American Sunday, December 18, 2022Saturday, December 24, 2022-
2023 European Monday, December 25, 2023Sunday, December 31, 20232023‑W52
American Sunday, December 24, 2023Saturday, December 30, 2023-
2024 European Monday, December 23, 2024Sunday, December 29, 20242024‑W52
American Sunday, December 22, 2024Saturday, December 28, 2024-
2025 European Monday, December 22, 2025Sunday, December 28, 20252025‑W52
American Sunday, December 21, 2025Saturday, December 27, 2025-
2026 European Monday, December 21, 2026Sunday, December 27, 20262026‑W52
American Sunday, December 20, 2026Saturday, December 26, 2026-
2027 European Monday, December 27, 2027Sunday, January 2, 20282027‑W52
American Sunday, December 19, 2027Saturday, December 25, 2027-
2028 European Monday, December 25, 2028Sunday, December 31, 20282028‑W52
American Sunday, December 17, 2028Saturday, December 23, 2028-
2029 European Monday, December 24, 2029Sunday, December 30, 20292029‑W52
American Sunday, December 23, 2029Saturday, December 29, 2029-
2030 European Monday, December 23, 2030Sunday, December 29, 20302030‑W52
American Sunday, December 22, 2030Saturday, December 28, 2030-
2031 European Monday, December 22, 2031Sunday, December 28, 20312031‑W52
American Sunday, December 21, 2031Saturday, December 27, 2031-

Determine Week 52 or other calendar weeks in the calculator

In the Calendar Week Calculator, the entry for the European ISO calendar Week 52 is preset. Of course, you can also enter other values here to determine the date of the beginning of the week or the end of the week.

Calendar Week Calculator for other years

For calendar years further back or in the future, you will find the beginning and end of the corresponding calendar week in the Calendar Week Calculator.

 

Source information

As source for the information in the "Week Numbers" category, we have used in particular:

Last update on September 27, 2021

The pages of the "Week Numbers" category were last editorially reviewed by Michael Mühl on September 27, 2021. They all correspond to the current status.

Previous changes on June 25, 2020