\documentclass[extrafontsizes, 20pt]{memoir}
\usepackage{xcolor}
\usepackage{colortbl}
\usepackage[c4paper,left=0.5in, right=0.5in,landscape]{geometry}
\usepackage[sc]{mathpazo}
\linespread{1.05}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[brazilian]{babel}
\usepackage{multicol}
\usepackage{array}
\newcolumntype{x}[1]{%
>{\centering\hspace{0pt}}p{#1}}%
\newcolumntype{y}[1]{%
>{\raggedleft\hspace{0pt}}p{#1}}%
\newcommand{\tn}{\tabularnewline}
\title{Horário}
\author{Níckolas Alves}
\definecolor{MAP0214}{HTML}{ffb3ba}
\definecolor{4302303}{HTML}{ffdcb3}
\definecolor{4302322}{HTML}{ffffb3}
\definecolor{4302404}{HTML}{b3ffb3}
\definecolor{PGF5001}{HTML}{b3ccff}
\definecolor{PGF5005}{HTML}{dfb3ff}
\definecolor{PGF5006}{HTML}{ffb3ff}
\newcommand{\subject}[1]{#1\cellcolor{#1}}
\begin{document}
\pagenumbering{gobble}
\centering
{\huge%
6º Semestre%
}
\vfill
\begin{table}[!h]
\centering
\begin{tabular}{cx{4.7cm}x{4.7cm}x{4.7cm}x{4.7cm}x{4.7cm}}
& Segunda-Feira & Terça-Feira & Quarta-Feira & Quinta-Feira & Sexta-Feira \tn
08h00& & \subject{4302303} & & & \tn
10h00& \subject{PGF5005} & & & \subject{PGF5005} & \subject{4302303} \tn
12h00& & & \subject{PGF5001} & & \tn
14h00& \subject{PGF5001} & & \subject{4302322} & \subject{PGF5001} & \tn
16h00& \subject{PGF5006} & & \subject{PGF5006} & & \subject{4302322} \tn
19h00& & & \subject{MAP0214} & \subject{4302404} & \tn
21h00& \subject{MAP0214} & \subject{4302404} & & & \tn
\end{tabular}
\end{table}
\vfill
\begin{table}[!h]
\centering
\begin{tabular}{x{3.5cm}p{8cm}x{0.5cm}x{3.5cm}p{8cm}}
\subject{MAP0214} & Cálculo Numérico\cellcolor{MAP0214} & \hfill & \subject{4302303} & Eletromagnetismo I\cellcolor{4302303} \tn
\subject{4302322} & Física Matemática III\cellcolor{4302322} & \hfill & \subject{4302404} & Mecânica Quântica II\cellcolor{4302404} \tn
\subject{PGF5001} & Quantum Mechanics I\cellcolor{PGF5001} & \hfill & \subject{PGF5005} & Mecânica Clássica\cellcolor{PGF5005} \tn
\subject{PGF5006} & Mecânica Estatística\cellcolor{PGF5006} & \hfill & & \tn
\end{tabular}
\end{table}
\vfill
\end{document}