Date.AddWeeks

 

This topic applies to the Power Query Formula Language which can be used with Power Query and Power BI Desktop to build queries that mashup data. See the list of function categories.

Returns a Date/DateTime/DateTimeZone value incremented by the number of weeks provided. Each week is defined as a duration of seven days. It also handles incrementing the month and year potions of the value as appropriate.

Date.AddWeeks(dateTime, weeks as number)  

ArgumentDescription
dateTimeThe DateTime to add weeks to.
weeksThe number of weeks to add.
Date.AddWeeks(DateTime.FromText("2011-02-19"), 1) equals 2011-02-26  

Date.AddWeeks(DateTime.FromText("2011-02-19"), -2) equals 2011-02-05  

Date.AddWeeks(DateTime.FromText("2011-12-31"), 1) equals 2012-01-07  

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