STARTOFQUARTER Function (DAX)

Returns the first date of the quarter in the current context for the specified column of dates.

Syntax

STARTOFQUARTER(<dates>)

Parameters

Term

Definition

dates

A column that contains dates.

Return Value

A table containing a single column and single row with a date value.

Remarks

Note

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

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.

Note

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

Example

The following sample formula creates a measure that returns the start of the quarter, for the current context.

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

=STARTOFQUARTER(DateTime[DateKey])