Week number 28 (Week 28) 2021

Updated on by Michael Mühl

Week number 28 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 28/2021

Monday, July 12, 2021

Sunday, July 18, 2021

ISO-Notation: 2021‑W28

American calculation

In the USA, Canada and most Latin American countries, Australia as well as in Japan, Israel, South Korea and others, the following definition of week 28 applies:

Week number 28/2021

Sunday, July  4, 2021

Saturday, July 10, 2021

The date of the calendar week 28 (Week 28) in the past and coming years

The following table provides an overview of the calendar week 28 for each year. The beginning of the calendar week 28 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 28, 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 e.g. Japan.

Week number 28
Year Calculation
method
Start of week 28End of week 28ISO name
2011 European Monday, July 11, 2011Sunday, July 17, 20112011‑W28
American Sunday, July  3, 2011Saturday, July  9, 2011-
2012 European Monday, July  9, 2012Sunday, July 15, 20122012‑W28
American Sunday, July  8, 2012Saturday, July 14, 2012-
2013 European Monday, July  8, 2013Sunday, July 14, 20132013‑W28
American Sunday, July  7, 2013Saturday, July 13, 2013-
2014 European Monday, July  7, 2014Sunday, July 13, 20142014‑W28
American Sunday, July  6, 2014Saturday, July 12, 2014-
2015 European Monday, July  6, 2015Sunday, July 12, 20152015‑W28
American Sunday, July  5, 2015Saturday, July 11, 2015-
2016 European Monday, July 11, 2016Sunday, July 17, 20162016‑W28
American Sunday, July  3, 2016Saturday, July  9, 2016-
2017 European Monday, July 10, 2017Sunday, July 16, 20172017‑W28
American Sunday, July  9, 2017Saturday, July 15, 2017-
2018 European Monday, July  9, 2018Sunday, July 15, 20182018‑W28
American Sunday, July  8, 2018Saturday, July 14, 2018-
2019 European Monday, July  8, 2019Sunday, July 14, 20192019‑W28
American Sunday, July  7, 2019Saturday, July 13, 2019-
2020 European Monday, July  6, 2020Sunday, July 12, 20202020‑W28
American Sunday, July  5, 2020Saturday, July 11, 2020-
2021 European Monday, July 12, 2021Sunday, July 18, 20212021‑W28
American Sunday, July  4, 2021Saturday, July 10, 2021-
2022 European Monday, July 11, 2022Sunday, July 17, 20222022‑W28
American Sunday, July  3, 2022Saturday, July  9, 2022-
2023 European Monday, July 10, 2023Sunday, July 16, 20232023‑W28
American Sunday, July  9, 2023Saturday, July 15, 2023-
2024 European Monday, July  8, 2024Sunday, July 14, 20242024‑W28
American Sunday, July  7, 2024Saturday, July 13, 2024-
2025 European Monday, July  7, 2025Sunday, July 13, 20252025‑W28
American Sunday, July  6, 2025Saturday, July 12, 2025-
2026 European Monday, July  6, 2026Sunday, July 12, 20262026‑W28
American Sunday, July  5, 2026Saturday, July 11, 2026-
2027 European Monday, July 12, 2027Sunday, July 18, 20272027‑W28
American Sunday, July  4, 2027Saturday, July 10, 2027-
2028 European Monday, July 10, 2028Sunday, July 16, 20282028‑W28
American Sunday, July  2, 2028Saturday, July  8, 2028-
2029 European Monday, July  9, 2029Sunday, July 15, 20292029‑W28
American Sunday, July  8, 2029Saturday, July 14, 2029-
2030 European Monday, July  8, 2030Sunday, July 14, 20302030‑W28
American Sunday, July  7, 2030Saturday, July 13, 2030-
2031 European Monday, July  7, 2031Sunday, July 13, 20312031‑W28
American Sunday, July  6, 2031Saturday, July 12, 2031-

Determine week 28 or other calendar weeks in the calculator

In the calendar week calculator, the entry for the European ISO calendar week 28 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 June 19, 2021

The pages of the "Week Numbers" category were last editorially reviewed by Michael Mühl on June 19, 2021. They all correspond to the current status.

Previous changes on June 25, 2020