Week Number 20

Week Number 20 in 2022
Week 20 2022

Thema Week Numbers ﹣ Week Number 20

Week Number 20 of the current year 2022 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 20/2022

Monday, May 16, 2022

Sunday, May 22, 2022

ISO: 2022‑W20

American calculation

In the USA, Canada and most Latin American countries, Australia, Japan, Israel, South Korea and others, the following definition of Week 20 applies:

Week Number 20/2022

Sunday, May 8, 2022

Saturday, May 14, 2022


The date of the calendar Week 20 (Week 20) 2022 and other years

The following table provides an overview of the calendar Week 20 for each year. The beginning of the calendar Week 20 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 20, 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 20
Year Calculation
Start of Week 20End of Week 20ISO Name
2019 European Monday, May 13, 2019Sunday, May 19, 20192019‑W20
American Sunday, May 12, 2019Saturday, May 18, 2019-
2020 European Monday, May 11, 2020Sunday, May 17, 20202020‑W20
American Sunday, May 10, 2020Saturday, May 16, 2020-
2021 European Monday, May 17, 2021Sunday, May 23, 20212021‑W20
American Sunday, May 9, 2021Saturday, May 15, 2021-
2022 European Monday, May 16, 2022Sunday, May 22, 20222022‑W20
American Sunday, May 8, 2022Saturday, May 14, 2022-
2023 European Monday, May 15, 2023Sunday, May 21, 20232023‑W20
American Sunday, May 14, 2023Saturday, May 20, 2023-
2024 European Monday, May 13, 2024Sunday, May 19, 20242024‑W20
American Sunday, May 12, 2024Saturday, May 18, 2024-
2025 European Monday, May 12, 2025Sunday, May 18, 20252025‑W20
American Sunday, May 11, 2025Saturday, May 17, 2025-

Determine Week 20 or other calendar weeks in the calculator

In the Calendar Week Calculator, the entry for the European ISO calendar Week 20 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 January 24, 2022

The pages of the "Week Numbers" category were last editorially reviewed by Michael Mühl on January 24, 2022. They all correspond to the current status.

Previous changes on June 25, 2021