I'm trying to create a daily planner for myself that looks somewhat like this.
My current version
\documentclass[a5paper]{article}
\usepackage[a5paper, portrait, margin=0.5cm]{geometry}
\usepackage{multirow}
\usepackage{tabularx}
\usepackage[table, svgnames]{xcolor}
\newcommand{\grayline}{\arrayrulecolor{lightgray}\cline{1-5}\arrayrulecolor{white}}
\begin{document}
\pagecolor{black}
\color{white}
\setlength{\extrarowheight}{10pt}
\noindent
\begin{tabularx}{\linewidth}{c|X|X|X|X|}
\cline{1-5}
\multicolumn{5} {r|} {Date: 2021|\hspace{0.5cm}|\hspace{0.5cm}|}\\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\hspace{0.5cm} & & & & \\
\grayline
\hspace{0.5cm} & & & & \\
\hline
\end{tabularx}
Reflections:
\begin{tabularx}{\linewidth}{l|l}
TASKS: \hspace{5cm} & IDEAS: \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\hspace{5cm} & \hspace{5cm} \\
\cline{1-2}
\end{tabularx}
\end{document}
The end goal is to stack this two a5 pages side by side in one single a4 page.


\hspace{0.5cm}in the first column of your first table if you replace\begin{tabularx}{\linewidth}{c|X|X|X|X|}with\begin{tabularx}{\linewidth}{wc{0.5cm}|X|X|X|X|}. In the second table, you can also remove all\hscpaecommands in both columns if you use\begin{tabularx}{\linewidth}{X|X}instead of\begin{tabularx}{\linewidth}{l|l}. (Atabularxenvironment without anyXtype column does not really make sense and won't adapt to the tetwidth.) – leandriis Jun 20 '21 at 09:39