<Window x:Class="YourNamespace.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Clock App" Height="300" Width="300">
    <Canvas>
        <Ellipse Width="200" Height="200" Fill="LightGray" Canvas.Left="50" Canvas.Top="50"/>
        <Line x:Name="hourHand" X1="150" Y1="150" X2="150" Y2="100" Stroke="Black" StrokeThickness="6"/>
        <Line x:Name="minuteHand" X1="150" Y1="150" X2="150" Y2="70" Stroke="Black" StrokeThickness="4"/>
        <Line X1="150" Y1="150" X2="150" Y2="30" Stroke="Black" StrokeThickness="2"/>
        <TextBlock Text="12" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="145,60,0,0"/>
        <TextBlock Text="3" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="85,145,0,0"/>
        <TextBlock Text="6" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="145,200,0,0"/>
        <TextBlock Text="9" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="200,145,0,0"/>
    </Canvas>
</Window>



using System;
using System.Windows;
using System.Windows.Media;
using System.Windows.Threading;

namespace YourNamespace
{
    public partial class MainWindow : Window
    {
        private DispatcherTimer timer;

        public MainWindow()
        {
            InitializeComponent();
            InitializeClock();
        }

        private void InitializeClock()
        {
            timer = new DispatcherTimer();
            timer.Interval = TimeSpan.FromSeconds(1);
            timer.Tick += Timer_Tick;
            timer.Start();
        }

        private void Timer_Tick(object sender, EventArgs e)
        {
            DateTime currentTime = DateTime.Now;
            double hoursAngle = (currentTime.Hour % 12 + currentTime.Minute / 60.0) * 30;
            double minutesAngle = currentTime.Minute * 6;

            hourHand.RenderTransform = new RotateTransform(hoursAngle, 150, 150);
            minuteHand.RenderTransform = new RotateTransform(minutesAngle, 150, 150);
        }
    }
}