Bring your own picknick picknick

\documentclass[a4paper,10pt]{article}
\usepackage{a4wide}
\usepackage[dutch]{babel}
\usepackage{ulem, sans}
\parskip 6pt
\parindent 0pt
\title{Bring your own picknick picknick}
\author{Aangemaakt door: Caro Hermans}\begin{document}
\maketitle
\section*{ma 28 sep 2020}
\subsection*{Opbouw}
\begin{itemize}
\item 17:30 - 18:30 (3): William Vandermaesen, Robbe Van Leemput, Gijs Vliegen
\end{itemize}
\subsection*{steward}
\begin{itemize}
\item 18:30 - 19:00 (2): William Vandermaesen, Robbe Van Leemput
\item 19:00 - 19:30 (2): Bram Schaefer, Sandrien Scholiers
\item 19:30 - 20:00 (2): Lisa Sasso, Janneke Hutsebaut
\item 20:00 - 20:30 (2): Robbe Van Leemput, Jelle Vandersnickt
\item 20:30 - 21:00 (2): Jelle Vandersnickt, Keira Caluwaerts
\item 21:00 - 21:30 (2): Ward Bruyndonckx, Lars De Groote
\item 21:30 - 22:00 (2): Alisa Slabbinck, Kevin Boon
\item 22:00 - 22:30 (2): Alisa Slabbinck, Kevin Boon
\item 22:30 - 23:00 (2): Alisa Slabbinck, Kevin Boon
\item 23:00 - 23:30 (2): Siebrig Voorspoels, Keira Caluwaerts
\item 23:30 - di 29 sep 2020 00:00 (2): Elise Smets, Andreas Hinderyckx
\end{itemize}
\subsection*{afbraak}
\begin{itemize}
\item 23:45 - di 29 sep 2020 00:45 (3): Siebrig Voorspoels, Ward Bruyndonckx, Amber Immers
\end{itemize}
\end{document}