This formula will highlight cells containing a date within 45 days of end of
today()'s quarter:
Code:
=AND($H6<=EOMONTH(TODAY(),MOD(3-MONTH(TODAY()),3)),$H6>EOMONTH(TODAY(),MOD(3-MONTH(TODAY()),3))-45)
and this one will highlight the same as above plus any date prior to the start of today()'s quarter:
Code:
=OR(AND($H6<=EOMONTH(TODAY(),MOD(3-MONTH(TODAY()),3)),$H6>EOMONTH(TODAY(),MOD(3-MONTH(TODAY()),3))-45),$H6<DATE(YEAR(TODAY()),FLOOR(MONTH(TODAY())-1,3)+1,1))