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Why Does the _week_of_year Function Return 1 Instead of 53 For Certain Years?

Question & Answer


Question

When using the _week_of_year function for years such as 2013 and 2014 the return value is 1 however for other years such as 2010, 2015 or 2016 you get either 52 or 53. Why is that and how can we change the behaviour?

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Modified date:
30 April 2025

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