Formulas > =ISOWEEKNUM()
How to Use ISOWEEKNUM() in Google Sheets
Description
How To Actually Use ISOWEEKNUM() in Sheets
ISOWEEKNUM(date)
Try ISOWEEKNUM yourself
In cell B1, use the ISOWEEKNUM formula to calculate the ISO week number for the date in cell A1. The correct answer must return a number representing the week of the year.
Hints (2)
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Make sure the date in A1 is formatted correctly.
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The ISOWEEKNUM function takes a single argument.
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