Calendar = 
  
VAR CalTable = CALENDARAUTO ()
VAR MyCal =
    ADDCOLUMNS (
        CalTable,
        "Index", MONTH ( [Date] ),
        "Month", FORMAT ( [Date], "mmm" ),
        "Qtr", FORMAT ( [Date], "\QQ" ),
        "Year", FORMAT ( [Date], "yyyy" )
    )
RETURN
    MyCal