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Returns a table that contains a column of all dates from the previous quarter, based on the first date in the dates column, in the current context.





A column containing dates.

A table containing a single column of date values.


To understand more about how context affects the results of formulas, see Context in DAX Formulas.

This function returns all dates from the previous quarter, using the first date in the input column. For example, if the first date in the dates argument refers to June 10, 2009, this function returns all dates for the quarter January to March, 2009.

The dates argument can be any of the following:

  • A reference to a date/time column.

  • A table expression that returns a single column of date/time values.

  • A Boolean expression that defines a single-column table of date/time values.


Constraints on Boolean expressions are described in the topic, CALCULATE Function (DAX).

The following sample formula creates a measure that calculates the 'previous quarter sales' for Internet sales.

To see how this works, create a PivotTable and add the fields, CalendarYear and CalendarQuarter, to the Row Labels area of the PivotTable. Then add a measure, named Previous Quarter Sales, using the formula defined in the code section, to the Values area of the PivotTable.

=CALCULATE(SUM(InternetSales_USD[SalesAmount_USD]), PREVIOUSQUARTER('DateTime'[DateKey]))
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