diff --git a/Classes/TimeConverter.cs b/Classes/TimeConverter.cs
index dd5bf4e0..19e8d76a 100644
--- a/Classes/TimeConverter.cs
+++ b/Classes/TimeConverter.cs
@@ -1,7 +1,6 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Globalization;
+using Microsoft.VisualBasic;
 
 namespace BerlinClock
 {
@@ -9,7 +8,20 @@ public class TimeConverter : ITimeConverter
     {
         public string convertTime(string aTime)
         {
-            throw new NotImplementedException();
+            var berlimClockArray = new string[5];
+            var aTimeArray = aTime.Split(':');
+            var fourthRowPattern = "YYRYYRYYRYY";
+            var hours = Convert.ToInt32(aTimeArray[0]);
+            var minutes = Convert.ToInt32(aTimeArray[1]);
+            var seconds = Convert.ToInt32(aTimeArray[2]);
+
+            berlimClockArray[0] = seconds % 2 == 0 ? "Y" : "O";
+            berlimClockArray[1] = new String('R', hours / 5).PadRight(4, 'O');
+            berlimClockArray[2] = new String('R', hours % 5).PadRight(4, 'O');
+            berlimClockArray[3] = fourthRowPattern.Substring(0, minutes / 5).PadRight(fourthRowPattern.Length, 'O');
+            berlimClockArray[4] = new String('Y', minutes % 5).PadRight(4, 'O');
+
+            return String.Join(Environment.NewLine, berlimClockArray);
         }
     }
 }