diff --git a/src/main/java/rvc/timecalc/AnalogClock.java b/src/main/java/rvc/timecalc/AnalogClock.java
index ceda963..465b0dd 100644
--- a/src/main/java/rvc/timecalc/AnalogClock.java
+++ b/src/main/java/rvc/timecalc/AnalogClock.java
@@ -71,9 +71,9 @@ public class AnalogClock extends JPanel {
             int radius) {
         g2d.setStroke(new BasicStroke(2.0f));
         g2d.setColor(highlight ? Color.BLUE : FOREGROUND_COLOR);
-        System.out.println("centerX=" + centerX);
-        System.out.println("centerY=" + centerY);
-        System.out.println("radius=" + radius);
+//        System.out.println("centerX=" + centerX);
+//        System.out.println("centerY=" + centerY);
+//        System.out.println("radius=" + radius);
         g2d.drawOval(1, 1, centerX * 2 - 4, centerY * 2 - 4);
         g2d.drawOval(2, 2, centerX * 2 - 4, centerY * 2 - 4);
 //        g2d.drawOval(3, 3, centerX * 2 - 6, centerY * 2 - 6);
diff --git a/src/main/java/rvc/timecalc/Main.java b/src/main/java/rvc/timecalc/Main.java
index ba2b4f9..37b01ec 100644
--- a/src/main/java/rvc/timecalc/Main.java
+++ b/src/main/java/rvc/timecalc/Main.java
@@ -32,8 +32,8 @@ public class Main {
                    "0:00"
             );
             try {
-                TimeCalc timeCalc =
-                        new TimeCalc(startTime, overTime);
+                TimeCalcWindow timeCalc =
+                        new TimeCalcWindow(startTime, overTime);
             } catch(Exception e) {
                 JOptionPane.showMessageDialog(null, "Error: " + e.getMessage(), e.getMessage(), JOptionPane.ERROR_MESSAGE);
             }
diff --git a/src/main/java/rvc/timecalc/ProgressSquare.java b/src/main/java/rvc/timecalc/ProgressSquare.java
new file mode 100644
index 0000000..450766c
--- /dev/null
+++ b/src/main/java/rvc/timecalc/ProgressSquare.java
@@ -0,0 +1,63 @@
+package rvc.timecalc;
+
+import javax.swing.JPanel;
+import javax.swing.Timer;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+
+public class ProgressSquare extends JPanel {
+
+    private static final Color FOREGROUND_COLOR = new Color(220, 220, 220);
+    private static final Color BACKGROUND_COLOR = new Color(238, 238, 238);
+    private int side = 0;
+    private int square;
+
+
+    private double donePercent = 0;
+
+    public void setDonePercent(double donePercent) {
+        this.donePercent = donePercent;
+    }
+
+
+    public ProgressSquare() {
+        setPreferredSize(new Dimension(400, 400));
+        setBackground(BACKGROUND_COLOR);
+        new Timer(1000, e -> repaint()).start();
+
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+
+        if(side == 0) {
+            this.side = Math.min(getWidth(), getHeight());
+            this.square = side * side;
+        }
+        super.paintComponent(g);
+        Graphics2D g2d = (Graphics2D) g;
+        g2d.setColor(FOREGROUND_COLOR);
+        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+                RenderingHints.VALUE_ANTIALIAS_ON);
+
+
+        System.out.println("square=" + square);
+        int dotNumber = (int)(donePercent * square);
+        int y = dotNumber / side;
+        int x = dotNumber - y * side;
+
+        System.out.println("dotNumber=" + dotNumber);
+        System.out.println("x=" + x);
+        System.out.println("y=" + y);
+        if(y > 1) {
+        g2d.fillRect(side - 4, side - 4, 4, 4);
+        g2d.fillRect(1, side - 4, 4, 4);
+        g2d.fillRect(1, 1, side, y - 1);
+        g2d.drawRect(1, y, x, 1);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/rvc/timecalc/TimeCalc.java b/src/main/java/rvc/timecalc/TimeCalcWindow.java
similarity index 99%
rename from src/main/java/rvc/timecalc/TimeCalc.java
rename to src/main/java/rvc/timecalc/TimeCalcWindow.java
index e24d9bc..cf06f06 100644
--- a/src/main/java/rvc/timecalc/TimeCalc.java
+++ b/src/main/java/rvc/timecalc/TimeCalcWindow.java
@@ -18,10 +18,10 @@ import java.util.HashSet;
 import java.util.Set;
 
 /**
- * @author Robert
+ * @author pc00289
  * @since 08.02.2024
  */
-public class TimeCalc {
+public class TimeCalcWindow {
     private static final String DEFAULT_OVERTIME = "0:00";
     private static final int WORKING_HOURS_LENGTH = 8;
     private static final int WORKING_MINUTES_LENGTH = 30;
@@ -41,7 +41,7 @@ public class TimeCalc {
     private final Set<Integer> alreadyShownPercents = new HashSet<>();
     private boolean stopBeforeEnd = false;
 
-    public TimeCalc(String startTimeIn, String overTimeIn) {
+    public TimeCalcWindow(String startTimeIn, String overTimeIn) {
         this.startTime = startTimeIn;
         this.overTime = (overTimeIn == null || overTimeIn.isEmpty()) ? DEFAULT_OVERTIME : overTimeIn;
 
@@ -81,7 +81,7 @@ public class TimeCalc {
         text.setBackground(new Color(238,238,238));
         window.add(text);
 
-        window.setSize(800,350);
+        window.setSize(1050,350);
         window.setLayout(null);
         window.setVisible(true);
         window.setTitle("Time Calc");
@@ -100,6 +100,10 @@ public class TimeCalc {
         analogClock.setBounds(550,10,200, 200);
         window.add(analogClock);
 
+        ProgressSquare progressSquare = new ProgressSquare();
+        progressSquare.setBounds(550 + analogClock.getWidth() + 10,10,200, 200);
+        window.add(progressSquare);
+
         StringBuilder sb = null;
         while (true) {
             if(stopBeforeEnd) {
@@ -153,6 +157,7 @@ public class TimeCalc {
 
 //            double done = ((double)totalMinutesDone)/((double)totalMinutes);
               double done = ((double)totalMillisecondsDone)/((double)totalMilliseconds);
+              progressSquare.setDonePercent(done);
 
             String msg = "Done=" + formatter.format(done * 100) + "% Remains=" + String.format("%02d", hourRemains) + ":" + String
                     .format("%02d", minuteRemains) + " (" + String.format("%03d", (hourRemains * 60 + minuteRemains)) + " minute" + ((hourRemains * 60 + minuteRemains) > 1 ? "s" : " ") + ")" + " End=" + String