diff --git a/src/main/java/de/mannheim/th/chess/utl/Clock.java b/src/main/java/de/mannheim/th/chess/utl/Clock.java
index 88f7e52..3fdd556 100644
--- a/src/main/java/de/mannheim/th/chess/utl/Clock.java
+++ b/src/main/java/de/mannheim/th/chess/utl/Clock.java
@@ -3,10 +3,125 @@ package de.mannheim.th.chess.utl;
 /**
  * Zeigt die Zeitangabe während eines Spiels eines Spielers an.
  */
-public class Clock{
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Container;
+import java.awt.Font;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JTextArea;
+import javax.swing.Timer;
+
+public class Clock extends Thread implements Runnable {
+	private volatile boolean whiteToMove = true;
+	private volatile boolean gameHasFinished = false;
+	private int minutes;
 	
-	public Clock() {
+	public Clock(String mode) {
+		setMode(mode);
 		
 	}
 	
+	public void pressClock() {
+		whiteToMove = !whiteToMove;
+	}
+	
+	public void endGame() {
+		gameHasFinished = true;
+	}
+	
+	public void run() {
+		JFrame clockFrame = new JFrame("Clock");
+		Container pane = clockFrame.getContentPane();
+		pane.setBackground(Color.BLACK);
+		clockFrame.setBounds(1000, 500, 10000, 10000);
+		clockFrame.setBackground(Color.BLACK);
+		clockFrame.setLayout(new BorderLayout());
+		var clock1 = new JLabel(minutes + ":00");
+		clock1.setForeground(Color.WHITE);
+		clock1.setFont(new Font("Arial", Font.BOLD, 50));
+		var clock2 = new JLabel(minutes + ":00");
+		clock2.setFont(new Font("Arial", Font.BOLD, 50));
+		clock2.setForeground(Color.WHITE);
+		var middleSpace = new JTextArea("	");
+		middleSpace.setBackground(Color.BLACK);
+		middleSpace.setEditable(false);
+		pane.add(middleSpace, BorderLayout.CENTER);
+		
+		var min1 = new AtomicInteger(minutes);
+		var sec1 = new AtomicInteger(0);
+		var min2 = new AtomicInteger(minutes);
+		var sec2 = new AtomicInteger(0);
+		pane.add(clock1, BorderLayout.LINE_START);
+		pane.add(middleSpace, BorderLayout.CENTER);
+		pane.add(clock2, BorderLayout.LINE_END);
+		clockFrame.pack();
+		clockFrame.setVisible(true);
+
+		var t = new Timer(1000, (ae) -> {
+	
+			if (!gameHasFinished) {	
+				
+			StringBuilder clockShower = new StringBuilder();
+			if (whiteToMove) {
+				if (sec1.intValue() == 00) {
+					sec1.set(60);
+					min1.decrementAndGet();
+				}
+				if (min1.intValue() < 10) {
+					clockShower.append("0");
+				}
+				clockShower.append(min1.get());
+				clockShower.append(":");
+				if (sec1.intValue() < 10) {
+					clockShower.append("0");
+				}
+				clockShower.append(sec1.decrementAndGet());
+				clock1.setText(clockShower.toString());
+
+			} else {
+				if (sec2.intValue() == 00) {
+					sec2.set(60);
+					min2.decrementAndGet();
+				}
+				if (min2.intValue() < 10) {
+					clockShower.append("0");
+				}
+				clockShower.append(min2.get());
+				clockShower.append(":");
+				if (sec2.intValue() < 10) {
+					clockShower.append("0");
+				}
+				clockShower.append(sec2.decrementAndGet());
+				clock2.setText(clockShower.toString());
+			}
+			clockFrame.repaint();
+			if ((sec1.intValue() == 0 && min1.intValue() == 0) || (sec2.intValue() == 0 && min2.intValue() == 0)) {
+				endGame();
+			}
+		} });
+
+		t.start();
+	}
+	public static void main(String[] args) throws InterruptedException {
+		Clock st = new Clock("blitz");
+		st.start();
+	}
+	
+	private void setMode(String mode) {
+		switch(mode) {
+		case "blitz":
+			minutes = 5;
+			break;
+		case "rapid":
+			minutes = 10;
+			break;
+		case "classic":
+			minutes = 120;
+			break;
+		}
+	}
+
 }
\ No newline at end of file