\documentclass[a4paper,10pt,demo ]{article} %
\usepackage{pifont} %bouni
%-----accent
\usepackage[latin1]{inputenc} %écrire directement les accents et il peut poser des problème
\usepackage[T1]{fontenc}
%-----
\usepackage[colorlinks=true,linkcolor=blue,urlcolor=blue]{hyperref}
\usepackage{graphicx} % Enable pdflatex
\usepackage{wrapfig}
\usepackage{amsmath,amsfonts,amsthm} % Math packages
%%%%%%%%%%%%% dimension ancien des marges %%%%%%%%%%%%%%%%%%%%
\usepackage{geometry}
\geometry{left=2cm,right=2cm,top=1.5cm,bottom=1.5cm}
%%%%%%%%%%%%% style des sections %%%%%%%%%%%%%%%%%%%%
\frenchspacing % Better looking spacings after periods
\usepackage{sectsty}
\sectionfont{% % Change font of \section
command
\usefont{OT1}{phv}{b}{n}% % bch-b-n: CharterBT-Bold font
\sectionrule{0pt}{0pt}{-5pt}{1pt}}
%%%%%%%%%%%%%%%% Macros %%%%%%%%%%%%%%%%%%%%
\newcommand{\sepspace}{\vspace*{1em}} % Vertical space macro
\newcommand{\MyName}[1]{ % Name
\Huge \usefont{OT1}{phv}{b}{n} \hfill #1
\par \normalsize \normalfont}
\newcommand{\MySlogan}[1]{ % Slogan}{optional)
\large \usefont{OT1}{phv}{m}{n}\hfill \textit{#1}
\par \normalsize \normalfont}
%%% ------------------------------------------------------------
\pagestyle{empty} % No pagenumbers/headers/footers
%%%%%%%%%%%%%%%%%%%%% Begin Document %%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
%%%%%%%%%%%%%%%%%% Photo et title %%%%%%%%%%%%%%%%%%%%%%%%%
%---------------------------
%---------------------------
\MyName{Name Name}
\MySlogan{Curriculum Vitae \\ \null\hfill (\today)}
%\MySlogan{Curriculum Vitae (October 2016)}
%---------------------------
\sepspace % Si on ajoute encore \sepspace on aura plus d'espace
$$$$
%%%%%%%%%%%%%% Personal details%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section*{Informations personelles}
\end{document}
I want to add ''th'' in the date as follows