Power Bi 2021 calendar DAX code

 Date sheet  = ADDCOLUMNS (
	CALENDAR ( date(2021,1,1),date(2021,12,31)),
	" year ", YEAR ( [Date] ),
	" quarter ", ROUNDUP( MONTH ( [Date] )/3,0 ),
	" month ", MONTH ( [Date] ),
	" Zhou ", WEEKNUM([Date]),
	" Year quarter ", YEAR ( [Date] ) & "Q" & ROUNDUP( MONTH ( [Date] )/3,0 ) ,
	" years ", YEAR ( [Date] ) * 100 + MONTH ( [Date] ),
	" Year week ", YEAR ( [Date] ) * 100 + WEEKNUM ( [Date] ),
	" What day ", WEEKDAY([Date])
    )