CALENDAR DAX Function (Date and Time)

Returns a table with one column of all dates between StartDate and EndDate.


CALENDAR ( <StartDate>, <EndDate> )
Parameter Attributes Description

The start date in datetime format.


The end date in datetime format.

Return values

Table A table with a single column.

Returns a table with a single column named “Date” containing a contiguous set of dates. The range of dates is from the specified start date to the specified end date, inclusive of those two dates.


The CALENDAR table is useful to create a Date table.
For compatibility with DAX time intelligence functions, it is a best practice to always include an entire year in a Date table.


The following formula returns a table with dates between January 1st, 2005 and December 31st, 2015.

    DATE ( 2005, 1, 1 ), 
    DATE ( 2015, 12, 31 )

The following expression returns the date table covering the range of dates in actual sales data and future sales forecasts.

    DATE ( YEAR ( MIN ( Sales[Date] ) ), 1, 1 ),
    DATE ( YEAR ( MAX ( Forecast[Date] ) ), 12, 31 )

Because a date column can be represented as an integer, CALENDAR can be used as a way to obtain a result similar to a particular call to GENERATESERIES. For example, the following expressions are equivalent, even if the former produces a table with a DateTime data type, whereas the latter returns a table with an Integer data type.

CALENDAR ( 1, 100 )

GENERATESERIES ( 1, 100, 1 )

Related articles

Learn more about CALENDAR in the following articles:

Related functions

Other related functions are:

Last update: Jan 11, 2021   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo, Kenneth Barber

MSDN documentation:

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.


Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.


This function is deprecated. Jump to the Alternatives section to see the function to use.


This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.


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