\documentclass[border=0]{standalone}
\usepackage{kpfonts}
\usepackage[
	tmargin=1in,
	bmargin=0in,
	paperwidth=6.6in,
	paperheight=9.6in,
	bmargin=0in
]{geometry}

% Colored lines in table, see
% https://ctan.math.illinois.edu/macros/latex/contrib/colortbl/colortbl.pdf
\usepackage{colortbl}

% Columns spanning multiple rows
\usepackage{multirow}

\begin{document}

% Remove cell padding from tabular environment
\renewcommand{\arraystretch}{0}

\begin{tabular}
% Column and vertical rules definitions
{
		@{}
	!{\color{black}\vline}
		p{1cm}
	!{\color{black}\vline}
		p{4.5cm}
	!{\color{black}\vline}
		p{4.5cm}
	!{\color{black}\vline}
		p{4.5cm}
	!{\color{black}\vline}
}
	\multicolumn{4}{l}{Month and Year:} \vspace{4pt}\\
	\hline
		% Table Header
		~~\rule{0pt}{10pt} \vspace{0.3pt}\textbf{Day}\vspace{2pt} & \textbf{Tasks/Appointments} & \textbf{Financial} & \textbf{Communications} \\ \hline
		% Monday
		\multirow{5}{1cm}{\begin{center}\textbf{Mo}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
		% Tuesday
		\multirow{5}{1cm}{\begin{center}\textbf{Tu}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
		% Wednesday
		\multirow{5}{1cm}{\begin{center}\textbf{We}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
		% Thursday
		\multirow{5}{1cm}{\begin{center}\textbf{Th}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
		% Friday
		\multirow{5}{1cm}{\begin{center}\textbf{Fr}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
		% Saturday
		\multirow{5}{1cm}{\begin{center}\textbf{Sa}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
		% Sunday
		\multirow{5}{1cm}{\begin{center}\textbf{Su}\end{center}} & & &  \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor[gray]{0.85}\cline{2-4}
		 & & & \\ [5.1mm] \arrayrulecolor{black}\hline
\end{tabular}

\end{document}