tool used: https://www.roaringpenguin.com/products/remind

% echo REM 1 Mon Tue Wed Thu Fri -1 OMIT Sat Sun MSG x | remind -s12 - | cut -d' '  -f1
2018/08/31
2018/09/28
2018/10/31
2018/11/30
2018/12/31
2019/01/31
2019/02/28
2019/03/29
2019/04/30
2019/05/31
2019/06/28
2019/07/31
%