Week of Year Calculator

Enter the required information in the calculator below and press the calculate button.

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Below this page, you can also find the answers for frequently asked questions about this subject.
Week of Year Calculator
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  2. e.g 26
  3. e.g 2021

What is week?

It is the name given to the seven-day period following each other. It consists of 7 days, respectively Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

What are the first and last days of the week?

It starts on Monday and ends on Sunday.

How many weeks are there in a year?

One year consists of 365 days. Considering that there are 7-day periods, it can be easily calculated that 1 year consists of a total of 52 weeks.