代码如下

\documentclass[border=0mm]{standalone}
\usepackage{ctex}
\usepackage{tikz}
\usepackage{time}
\begin{document}
\newcommand{\mytime}{\the\time}

\begin{tikzpicture}[domain=-2:2]
\draw (0,0) circle (2cm);
\fill (0,0) circle (.7mm);  
\draw[->] (0,0) -- (90-\mytime*6:1.5);  %minute
\draw[->>] (0,0) -- (90-\mytime/2:1);  %hour
\node[red,below = 8mm] at (0,0) {\small\now};
\node[above = 8mm] at (0,0) {\tiny \TeX 白兔};
\node[red,below = 2cm] at (0,0) {\small \today};

%%%%%%%%%1-12%%%%%%%%%%%%%
\node at (90:1.8) {12};
\node at (60:1.8) {1};
\node at (30:1.8) {2};
\node at (0:1.8) {3};
\node at (-30:1.8) {4};
\node at (-60:1.8) {5};
\node at (-90:1.8) {6};
\node at (-120:1.8) {7};
\node at (-150:1.8) {8};
\node at (-180:1.8) {9};
\node at (-210:1.8) {10};
\node at (-240:1.8) {11};

%%%%%%%%%%%大节点%%%%%%%%%%%%%%%%%%%
\node at (90:2cm-1pt) {\rotatebox{0}{\rule{.8pt}{2pt}}};
\node at (60:2cm-1pt) {\rotatebox{-30}{\rule{.8pt}{2pt}}};
\node at (30:2cm-1pt) {\rotatebox{-60}{\rule{.8pt}{2pt}}};
\node at (0:2cm-1pt) {\rotatebox{-90}{\rule{.8pt}{2pt}}};
\node at (-30:2cm-1pt) {\rotatebox{-120}{\rule{.8pt}{2pt}}};
\node at (-60:2cm-1pt) {\rotatebox{-150}{\rule{.8pt}{2pt}}};
\node at (-90:2cm-1pt) {\rotatebox{-180}{\rule{.8pt}{2pt}}};
\node at (-120:2cm-1pt) {\rotatebox{-210}{\rule{.8pt}{2pt}}};
\node at (-150:2cm-1pt) {\rotatebox{-240}{\rule{.8pt}{2pt}}};
\node at (-180:2cm-1pt) {\rotatebox{-270}{\rule{.8pt}{2pt}}};
\node at (-210:2cm-1pt) {\rotatebox{-300}{\rule{.8pt}{2pt}}};
\node at (-240:2cm-1pt) {\rotatebox{-330}{\rule{.8pt}{2pt}}};

%%%%%%%%%%%%%%%%%%%%%%%%小节点%%%%%%%%%%%%%%%%%%%%%%%%%%%
\node at (90-6*1:2cm-0.5pt) {\rotatebox{-6}{\rule{.4pt}{1pt}}};
\node at (90-6*2:2cm-0.5pt) {\rotatebox{-12}{\rule{.4pt}{1pt}}};
\node at (90-6*3:2cm-0.5pt) {\rotatebox{-18}{\rule{.4pt}{1pt}}};
\node at (90-6*4:2cm-0.5pt) {\rotatebox{-24}{\rule{.4pt}{1pt}}};
\node at (90-6*5:2cm-0.5pt) {\rotatebox{-30}{\rule{.4pt}{1pt}}};
\node at (90-6*6:2cm-0.5pt) {\rotatebox{-36}{\rule{.4pt}{1pt}}};
\node at (90-6*7:2cm-0.5pt) {\rotatebox{-42}{\rule{.4pt}{1pt}}};
\node at (90-6*8:2cm-0.5pt) {\rotatebox{-48}{\rule{.4pt}{1pt}}};
\node at (90-6*9:2cm-0.5pt) {\rotatebox{-54}{\rule{.4pt}{1pt}}};
\node at (90-6*10:2cm-0.5pt) {\rotatebox{-60}{\rule{.4pt}{1pt}}};
\node at (90-6*11:2cm-0.5pt) {\rotatebox{-66}{\rule{.4pt}{1pt}}};
\node at (90-6*12:2cm-0.5pt) {\rotatebox{-72}{\rule{.4pt}{1pt}}};
\node at (90-6*13:2cm-0.5pt) {\rotatebox{-78}{\rule{.4pt}{1pt}}};
\node at (90-6*14:2cm-0.5pt) {\rotatebox{-84}{\rule{.4pt}{1pt}}};
\node at (90-6*15:2cm-0.5pt) {\rotatebox{-90}{\rule{.4pt}{1pt}}};
\node at (90-6*16:2cm-0.5pt) {\rotatebox{-96}{\rule{.4pt}{1pt}}};
\node at (90-6*17:2cm-0.5pt) {\rotatebox{-102}{\rule{.4pt}{1pt}}};
\node at (90-6*18:2cm-0.5pt) {\rotatebox{-108}{\rule{.4pt}{1pt}}};
\node at (90-6*19:2cm-0.5pt) {\rotatebox{-114}{\rule{.4pt}{1pt}}};
\node at (90-6*20:2cm-0.5pt) {\rotatebox{-120}{\rule{.4pt}{1pt}}};
\node at (90-6*21:2cm-0.5pt) {\rotatebox{-126}{\rule{.4pt}{1pt}}};
\node at (90-6*22:2cm-0.5pt) {\rotatebox{-132}{\rule{.4pt}{1pt}}};
\node at (90-6*23:2cm-0.5pt) {\rotatebox{-138}{\rule{.4pt}{1pt}}};
\node at (90-6*24:2cm-0.5pt) {\rotatebox{-144}{\rule{.4pt}{1pt}}};
\node at (90-6*25:2cm-0.5pt) {\rotatebox{-150}{\rule{.4pt}{1pt}}};
\node at (90-6*26:2cm-0.5pt) {\rotatebox{-156}{\rule{.4pt}{1pt}}};
\node at (90-6*27:2cm-0.5pt) {\rotatebox{-162}{\rule{.4pt}{1pt}}};
\node at (90-6*28:2cm-0.5pt) {\rotatebox{-168}{\rule{.4pt}{1pt}}};
\node at (90-6*29:2cm-0.5pt) {\rotatebox{-174}{\rule{.4pt}{1pt}}};
\node at (90-6*30:2cm-0.5pt) {\rotatebox{-180}{\rule{.4pt}{1pt}}};
\node at (90-6*31:2cm-0.5pt) {\rotatebox{-186}{\rule{.4pt}{1pt}}};
\node at (90-6*32:2cm-0.5pt) {\rotatebox{-192}{\rule{.4pt}{1pt}}};
\node at (90-6*33:2cm-0.5pt) {\rotatebox{-198}{\rule{.4pt}{1pt}}};
\node at (90-6*34:2cm-0.5pt) {\rotatebox{-204}{\rule{.4pt}{1pt}}};
\node at (90-6*35:2cm-0.5pt) {\rotatebox{-210}{\rule{.4pt}{1pt}}};
\node at (90-6*36:2cm-0.5pt) {\rotatebox{-216}{\rule{.4pt}{1pt}}};
\node at (90-6*37:2cm-0.5pt) {\rotatebox{-222}{\rule{.4pt}{1pt}}};
\node at (90-6*38:2cm-0.5pt) {\rotatebox{-228}{\rule{.4pt}{1pt}}};
\node at (90-6*39:2cm-0.5pt) {\rotatebox{-234}{\rule{.4pt}{1pt}}};
\node at (90-6*40:2cm-0.5pt) {\rotatebox{-240}{\rule{.4pt}{1pt}}};
\node at (90-6*41:2cm-0.5pt) {\rotatebox{-246}{\rule{.4pt}{1pt}}};
\node at (90-6*42:2cm-0.5pt) {\rotatebox{-252}{\rule{.4pt}{1pt}}};
\node at (90-6*43:2cm-0.5pt) {\rotatebox{-258}{\rule{.4pt}{1pt}}};
\node at (90-6*44:2cm-0.5pt) {\rotatebox{-264}{\rule{.4pt}{1pt}}};
\node at (90-6*45:2cm-0.5pt) {\rotatebox{-270}{\rule{.4pt}{1pt}}};
\node at (90-6*46:2cm-0.5pt) {\rotatebox{-276}{\rule{.4pt}{1pt}}};
\node at (90-6*47:2cm-0.5pt) {\rotatebox{-282}{\rule{.4pt}{1pt}}};
\node at (90-6*48:2cm-0.5pt) {\rotatebox{-288}{\rule{.4pt}{1pt}}};
\node at (90-6*49:2cm-0.5pt) {\rotatebox{-294}{\rule{.4pt}{1pt}}};
\node at (90-6*50:2cm-0.5pt) {\rotatebox{-300}{\rule{.4pt}{1pt}}};
\node at (90-6*51:2cm-0.5pt) {\rotatebox{-306}{\rule{.4pt}{1pt}}};
\node at (90-6*52:2cm-0.5pt) {\rotatebox{-312}{\rule{.4pt}{1pt}}};
\node at (90-6*53:2cm-0.5pt) {\rotatebox{-318}{\rule{.4pt}{1pt}}};
\node at (90-6*54:2cm-0.5pt) {\rotatebox{-324}{\rule{.4pt}{1pt}}};
\node at (90-6*55:2cm-0.5pt) {\rotatebox{-330}{\rule{.4pt}{1pt}}};
\node at (90-6*56:2cm-0.5pt) {\rotatebox{-336}{\rule{.4pt}{1pt}}};
\node at (90-6*57:2cm-0.5pt) {\rotatebox{-342}{\rule{.4pt}{1pt}}};
\node at (90-6*58:2cm-0.5pt) {\rotatebox{-348}{\rule{.4pt}{1pt}}};
\node at (90-6*59:2cm-0.5pt) {\rotatebox{-354}{\rule{.4pt}{1pt}}};
\node at (90-6*60:2cm-0.5pt) {\rotatebox{-360}{\rule{.4pt}{1pt}}};

\end{tikzpicture}
\end{document}