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How WEEKNUM Simplifies Date Management in Excel


by Excel24x7 April 28th, 2025

WEEKNUM function in excel will return the relative week number to the given input date. It will also return a **#NUM! error** if the **return_type** argument is not supported. By default the Excel will assumes Sunday as value 1.

The WEEKNUM Function in Excel will return the week number for a given input date.

WEEKNUM Function: A Brief

The WEEKNUM function in Excel is used to return the week number from a given input date. If the input is not a valid Excel date, the function will return a #VALUE! error. It will also return a #NUM! error if the return_type argument is not supported. The return_type must be 1, 2, or between 11 and 17.

Objective

Value Returned by the function

Aim to return the week number

The WEEKNUM function in Excel will return the relative week number to the given input date.

WEEKNUM ...


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