% nobabel means you'll need to provide your own month names, week day headings,
% etc. We'll use jsarticle+uplatex in this example.
\RequirePackage{scrlfile}
\ReplaceClass{extarticle}{jsarticle}
\BeforePackage{xcolor}{\RequirePackage[17pt]{extsizes}}
\PassOptionsToClass{uplatex}{jsarticle}
\documentclass[giant,nobabel,sundayweek,dvipdfmx]{cdcalendar}
%% and here we do some settings for a calendar in Japanese
\usepackage{jp-mod-uptex}
\usepackage[rm]{roboto}
\usepackage{graphicx}
\usepackage[fixed]{fontawesome5}
\usepackage{wallpaper}
\usepackage[fleqn]{amsmath}
\usepackage{tikzlings,tikzducks}
\graphicspath{{img/}}
%% Define all event mark styles here
\tikzset{holiday/.style={rectangle,fill=orange!70}}
\tikzset{pink icon/.style={text=Pink,font=\large}}
\tikzset{blue icon/.style={text=SkyBlue,font=\large}}
% Default values -- change if needed
% \setlength{\CalPageMargin}{1cm}
% \setlength{\EventLineWidth}{6in}
\geometry{a4paper}
\begin{document}
%%%%%%
% Cover
%%%%%%
\coverBgColor{RoyalBlue!40!black}
\coverImage[\color{gray!50}ここに実際に印刷されたカレンダーがあります。 小さなカレンダー(9\,cm $\times$ 9.5\,cm)は、フロッピーディスクのジュエルケースに適合します。 大きなもの(11.7\,cm $\times$ 13.65\,cm)はCDのジュエルケースに適合します。]
{actual}
\coverTitle[font=\fontsize{56pt}{56pt}\sffamily\bfseries\gtfamily,
text=white,text width=\linewidth,align=flush right]
{2023カレンダー}
% \makeCover
% Remove this line if you feel the background pattern is too annoying
% \TileWallPaper{.5\paperwidth}{.5\paperheight}{ricepaper_v3}
\TileWallPaper{.5\paperwidth}{.1\paperheight}{lightpaperfibers}
% You may find the gap between illustrations and events too narrow
% Use this length to increase it
\setlength{\illusSkip}{1em}
%%%%%%
% Some settings for the monthly calendars
%%%%%%
\dayHeadingStyle{font=\gtfamily\color{gray!90}}
\sundayColor{red}
\monthTitleStyle{font={\fontsize{56pt}{60pt}\sffamily\gtfamily}, red!50!RedViolet}
\eventStyle{\scriptsize\sffamily\gtfamily}
%%%%%%
% January 2023
%%%%%%
\illustration
[Happy TikZ animals! This is an optional description about the illustrations.]
{\linewidth}{tikzlings}
\begin{monthCalendar}{2023}{01}
%%% events must be given AFTER \begin{monthCalendar}
%%% Currently you must give events on the same page
%%% as the monthly calendar.
%% This is an one-day event
\event[mark style=holiday]{2023-01-01}{}{元日}
%% This is a 5-day event
\event[mark style=blue icon,marker=\faBriefcase]{2023-01-30}{5}{ACME会議}
%% you could also write \event{2023-01-06}{2023-02-03}{ACME会議}
\end{monthCalendar}
\clearpage
%%%%%%
% Feb 2023
%%%%%%
% Or you can put any stuff, really, with a caption if you want:
\setlength{\mathindent}{0pt}
\otherstuff[Fourier Transformation, one of the `math equations that changed the world'. \url{http://news.bitofnews.com/13-math-equations-that-changed-the-world/}]
{\linewidth}
{\huge\selectfont
\[%
\hat{f}(\xi) = \int^{\infty}_{-\infty} f(x) e^{-2\pi ix\xi} \mathop{dx}
\]}
\begin{monthCalendar}{2023}{02}
%% Repeat the event if it spans two months
\event[mark style=blue icon,marker=\faBriefcase]{2023-01-30}{5}{ACME会議}
\event[mark style=pink icon,marker=\faBirthdayCake]{2023-02-07}{}{友人の誕生日}
\event{2023-02-24}{}{締め切り!}
\end{monthCalendar}
\clearpage
%%% I... I was too tired search for more pics so will just show some cute animals
\otherstuff{\linewidth}{\tikz[scale=5]\koala[crown];}
\begin{monthCalendar}{2023}{03}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}{\tikz[scale=5]\duck[overleaf];}
\begin{monthCalendar}{2023}{04}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}{\tikz[scale=5]\mouse[cheese];}
\begin{monthCalendar}{2023}{05}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}{\tikz[scale=5]\duck[crozier,strawhat=red!80!white,bowtie=red];}
\begin{monthCalendar}{2023}{06}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}{\tikz[scale=5]\sloth[icecream];}
\begin{monthCalendar}{2023}{07}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}
{\tikz[scale=5]\duck[body=pink!50!white,bill=orange,
unicorn=magenta!60!violet, longhair=magenta!60!violet];}
\begin{monthCalendar}{2023}{08}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}{\tikz[scale=5]\coati[umbrella=blue!60!black,handbag];}
\begin{monthCalendar}{2023}{09}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}
{\tikz[scale=5]\duck[witch=black!50!gray,
longhair=red!80!black,
jacket=black!50!gray,
magicwand];}
\begin{monthCalendar}{2023}{10}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}
{\tikz[scale=5]\duck[snowduck=white!90!gray,eye=white];}
\begin{monthCalendar}{2023}{11}
\end{monthCalendar}
\clearpage
\otherstuff{\linewidth}{\tikz[scale=5]\marmot[santa,wine];}
\begin{monthCalendar}{2023}{12}
\end{monthCalendar}
\end{document}