Formula for IF it's the 2nd or 4th thursday of the month

Originally Posted by JohnTopley

TRy

=IF(INT(J1)=EOMONTH($J$1,-1)+15-WEEKDAY(EOMONTH($J$1,-1)+3),Data!C30,"")

=IF(INT(J1)=EOMONTH($J$1,-1)+29-WEEKDAY(EOMONTH($J$1,-1)+3),Data!C31,"")

That's it!!
Thank you very much!!!