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Date.AddWeeks is a function in the Power Query M language that adds a specified number of weeks to a date or datetime value. The resulting value is returned as a date, datetime, or datetimezone.

Compatible with: Power BI Service Power BI Desktop Excel Microsoft 365


   dateTime as any,
   numberOfWeeks as number,
) as any


Date.AddWeeks adds a specified number of weeks to a given dateTime (of type date, datetime, or datetimezone) and requires a numberOfWeeks argument.


Add 2 weeks to the date, datetime, or datetimezone value representing the date 5/14/2011.

// Output: #date( 2011, 5, 28 )
Date.AddWeeks( #date( 2011, 5, 14 ), 2 )

Other functions related to Date.AddWeeks are:

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