Changing date format in datetime2

Question

Using the datetime2 package, how do I tell \today to display the date in the format: 'Fri, March 1, 2019'?

\documentclass{article}
\usepackage{datetime2}
\begin{document}
\today
\end{document}

Answer 1

Below I define a new date style called mydateformat, and then use it with \DTMusedatestyle{mydateformat}.

\documentclass{article}

\usepackage[calc,showdow,english]{datetime2}

\DTMnewdatestyle{mydateformat}{%
  \renewcommand{\DTMdisplaydate}[4]{%
    \DTMshortweekdayname{##4},\space% short weekday,
    \DTMmonthname{##2}\nobreakspace%  (full) Month
    \number##3,\space%                day,
    \number##1%                       year
  }%
  \renewcommand{\DTMDisplaydate}{\DTMdisplaydate}%
}

\begin{document}

\today

\DTMsetdatestyle{mydateformat}

\today

\end{document}