CALENDAR Returns a table with a single column named “Date” that contains 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.
Syntax
CALENDAR(start_date, end_date)
Parameters
start_date Any DAX expression that returns a datetime value.
end_date Any DAX expression that returns a datetime value.
Return Value
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.
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference