diff --git a/SCRUM-Timer/CountdownTimer.cs b/SCRUM-Timer/CountdownTimer.cs
index 5a38e8e..10366c5 100644
--- a/SCRUM-Timer/CountdownTimer.cs
+++ b/SCRUM-Timer/CountdownTimer.cs
@@ -9,6 +9,8 @@ public class CountdownTimer
     public bool isRunning;
     private Thread timerThread;
 
+    public event EventHandler<TimeSpan>? TimeChanged;
+    
     public CountdownTimer()
     {
         ActualTime = new TimeSpan(0, 5, 0);
@@ -37,6 +39,7 @@ public class CountdownTimer
         while (isRunning)
         {
             ActualTime = ActualTime.Subtract(tickTime);
+            TimeChanged?.Invoke(this, ActualTime);
             Console.WriteLine(ActualTime);
             Thread.Sleep(1000);
         }
@@ -45,5 +48,6 @@ public class CountdownTimer
     public void AddTime(TimeSpan time)
     {
         ActualTime = ActualTime.Add(time);
+        TimeChanged?.Invoke(this, ActualTime);
     }
 }
\ No newline at end of file
diff --git a/SCRUM-Timer/ViewModels/MainWindowViewModel.cs b/SCRUM-Timer/ViewModels/MainWindowViewModel.cs
index 778354a..16ffb5e 100644
--- a/SCRUM-Timer/ViewModels/MainWindowViewModel.cs
+++ b/SCRUM-Timer/ViewModels/MainWindowViewModel.cs
@@ -2,5 +2,6 @@
 
 public partial class MainWindowViewModel : ViewModelBase
 {
+    public string time { get; set; }
     
 }
\ No newline at end of file
diff --git a/SCRUM-Timer/Views/MainWindow.axaml b/SCRUM-Timer/Views/MainWindow.axaml
index 47f83f3..1828d5e 100644
--- a/SCRUM-Timer/Views/MainWindow.axaml
+++ b/SCRUM-Timer/Views/MainWindow.axaml
@@ -19,13 +19,17 @@
         <vm:MainWindowViewModel />
     </Design.DataContext>
 
-    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="80">
-        <TextBlock Text="5:00" FontSize="40" FontFamily="Alumni" HorizontalAlignment="Center"
+    <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="40">
+        <TextBlock x:Name="TimeText" FontSize="40" FontFamily="Alumni" HorizontalAlignment="Center"
                    VerticalAlignment="Center" />
-
-        <DockPanel HorizontalSpacing="50">
+        <DockPanel HorizontalSpacing="10">
+            <TextBlock>Select Time: </TextBlock>
+            <TimePicker x:Name="TimePick"  ClockIdentifier="24HourClock" UseSeconds="True" SelectedTime="00:05:00" SelectedTimeChanged="TimePickHandlerTimeChanged"/>
+        </DockPanel>
+        <DockPanel HorizontalSpacing="40">
             <Button Content="Start/Stop" Click="ButtonHandlerStartStop"/>
-            <Button Content="+ 1:00" Click="ButtonHandlerAddTime" />
+            <Button Content="Reset" Click="ButtonHandlerReset"/>
+            <Button Content="+ 05:00" Click="ButtonHandlerAddTime" />
         </DockPanel>
     </StackPanel>
 
diff --git a/SCRUM-Timer/Views/MainWindow.axaml.cs b/SCRUM-Timer/Views/MainWindow.axaml.cs
index 233a4e2..b59cbff 100644
--- a/SCRUM-Timer/Views/MainWindow.axaml.cs
+++ b/SCRUM-Timer/Views/MainWindow.axaml.cs
@@ -1,16 +1,26 @@
 using System;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
+using Avalonia.Threading;
 
 namespace SCRUM_Timer.Views;
 
 public partial class MainWindow : Window
 {
     private CountdownTimer countdownTimer;
+
     public MainWindow()
     {
         InitializeComponent();
+
         countdownTimer = new CountdownTimer();
+        countdownTimer.TimeChanged += (_, ts) =>
+        {
+            Dispatcher.UIThread.Post(() => { TimeText.Text = ts.ToString(@"hh\:mm\:ss"); });
+        };
+
+        // Startwert anzeigen
+        TimeText.Text = countdownTimer.ActualTime.ToString(@"hh\:mm\:ss");
     }
 
     private void ButtonHandlerStartStop(object? sender, RoutedEventArgs e)
@@ -20,7 +30,17 @@ public partial class MainWindow : Window
 
     private void ButtonHandlerAddTime(object? sender, RoutedEventArgs e)
     {
-        var time = new TimeSpan(0, 1, 0);
+        var time = new TimeSpan(0, 5, 0);
         countdownTimer.AddTime(time);
     }
+
+    private void ButtonHandlerReset(object? sender, RoutedEventArgs e)
+    {
+        throw new NotImplementedException();
+    }
+
+    private void TimePickHandlerTimeChanged(object? sender, TimePickerSelectedValueChangedEventArgs e)
+    {
+        
+    }
 }
\ No newline at end of file
diff --git a/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.dll b/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.dll
index d496e4f..d500ade 100644
Binary files a/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.dll and b/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.dll differ
diff --git a/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.pdb b/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.pdb
index 2e54727..c4abb37 100644
Binary files a/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.pdb and b/SCRUM-Timer/bin/Debug/net9.0/SCRUM-Timer.pdb differ
diff --git a/SCRUM-Timer/obj/Debug/net9.0/Avalonia/resources b/SCRUM-Timer/obj/Debug/net9.0/Avalonia/resources
index 1ef462b..74a3692 100644
Binary files a/SCRUM-Timer/obj/Debug/net9.0/Avalonia/resources and b/SCRUM-Timer/obj/Debug/net9.0/Avalonia/resources differ
diff --git a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfo.cs b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfo.cs
index e089a15..3d0161e 100644
--- a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfo.cs
+++ b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfo.cs
@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("SCRUM-Timer")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+e6c95330185fd51fe629aa915eb1cb4d946479ca")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+471b666bc1ba1041afbaa819c40b0c6fe312c221")]
 [assembly: System.Reflection.AssemblyProductAttribute("SCRUM-Timer")]
 [assembly: System.Reflection.AssemblyTitleAttribute("SCRUM-Timer")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
diff --git a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfoInputs.cache b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfoInputs.cache
index 9e41bad..3b9d6f1 100644
--- a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfoInputs.cache
+++ b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.AssemblyInfoInputs.cache
@@ -1 +1 @@
-36fe41ba478871ad1527db68f03d4bce7e4a81176581ac14b5ce7d0b7638a0e8
+d8afceb7bc67d2a7b7345946c5b27fac119c87acb8e5c5cbf0d4e5d4e75ebcc2
diff --git a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.dll b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.dll
index d496e4f..d500ade 100644
Binary files a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.dll and b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.dll differ
diff --git a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.pdb b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.pdb
index 2e54727..c4abb37 100644
Binary files a/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.pdb and b/SCRUM-Timer/obj/Debug/net9.0/SCRUM-Timer.pdb differ
diff --git a/SCRUM-Timer/obj/Debug/net9.0/ref/SCRUM-Timer.dll b/SCRUM-Timer/obj/Debug/net9.0/ref/SCRUM-Timer.dll
index b01b5cd..55a5ee4 100644
Binary files a/SCRUM-Timer/obj/Debug/net9.0/ref/SCRUM-Timer.dll and b/SCRUM-Timer/obj/Debug/net9.0/ref/SCRUM-Timer.dll differ
diff --git a/SCRUM-Timer/obj/Debug/net9.0/refint/SCRUM-Timer.dll b/SCRUM-Timer/obj/Debug/net9.0/refint/SCRUM-Timer.dll
index b01b5cd..55a5ee4 100644
Binary files a/SCRUM-Timer/obj/Debug/net9.0/refint/SCRUM-Timer.dll and b/SCRUM-Timer/obj/Debug/net9.0/refint/SCRUM-Timer.dll differ