diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..61198423
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,134 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+[Bb]in/
+[Oo]bj/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.svclog
+*.scc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+*.pubxml
+*.azurePubxml
+
+# NuGet Packages Directory
+## TODO: If you have NuGet Package Restore enabled, uncomment the next line
+packages/
+## TODO: If the tool you use requires repositories.config, also uncomment the next line
+!packages/repositories.config
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+![Ss]tyle[Cc]op.targets
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+
+*.publishsettings
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+# =========================
+# Windows detritus
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac desktop service store files
+.DS_Store
+
+_NCrunch*
+/.vs
diff --git a/BDD/BerlinClockFeatureSteps.cs b/BDD/BerlinClockFeatureSteps.cs
index 4390f3cb..1d8c9b97 100644
--- a/BDD/BerlinClockFeatureSteps.cs
+++ b/BDD/BerlinClockFeatureSteps.cs
@@ -1,27 +1,29 @@
-using System;
-using TechTalk.SpecFlow;
+using BerlinClock.Classes;
+using BerlinClock.Classes.BusinessLogic;
+using BerlinClock.Classes.Input;
+using BerlinClock.Classes.Output;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using System.Linq;
+using TechTalk.SpecFlow;
 
 namespace BerlinClock
 {
     [Binding]
     public class TheBerlinClockSteps
     {
-        private ITimeConverter berlinClock = new TimeConverter();
-        private String theTime;
+        private readonly ITimeConverter _berlinClock = new TimeConverter(new TimeParser(), new MatrixConverter(), new MatrixPrinter());
+        private string _theTime;
+
 
-        
         [When(@"the time is ""(.*)""")]
         public void WhenTheTimeIs(string time)
         {
-            theTime = time;
+            _theTime = time;
         }
-        
+
         [Then(@"the clock should look like")]
         public void ThenTheClockShouldLookLike(string theExpectedBerlinClockOutput)
         {
-            Assert.AreEqual(berlinClock.convertTime(theTime), theExpectedBerlinClockOutput);
+            Assert.AreEqual(theExpectedBerlinClockOutput, _berlinClock.ConvertTime(_theTime));
         }
 
     }
diff --git a/BerlinClock.csproj b/BerlinClock.csproj
index ac8af99d..561f3465 100644
--- a/BerlinClock.csproj
+++ b/BerlinClock.csproj
@@ -50,6 +50,16 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BDD\BerlinClockFeatureSteps.cs" />
+    <Compile Include="Classes\BusinessLogic\IMatrixConverter.cs" />
+    <Compile Include="Classes\BusinessLogic\LampMatrix.cs" />
+    <Compile Include="Classes\BusinessLogic\Lamps\Lamp.cs" />
+    <Compile Include="Classes\BusinessLogic\Lamps\RedLamp.cs" />
+    <Compile Include="Classes\BusinessLogic\Lamps\YellowLamp.cs" />
+    <Compile Include="Classes\BusinessLogic\MatrixConverter.cs" />
+    <Compile Include="Classes\Input\ITimeParser.cs" />
+    <Compile Include="Classes\Input\TimeParser.cs" />
+    <Compile Include="Classes\Output\IMatrixPrinter.cs" />
+    <Compile Include="Classes\Output\MatrixPrinter.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="BDD\BerlinClockFeatureSteps.feature.cs">
       <AutoGen>True</AutoGen>
@@ -70,6 +80,7 @@
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Classes/BusinessLogic/IMatrixConverter.cs b/Classes/BusinessLogic/IMatrixConverter.cs
new file mode 100644
index 00000000..0acd2081
--- /dev/null
+++ b/Classes/BusinessLogic/IMatrixConverter.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace BerlinClock.Classes.BusinessLogic
+{
+    public interface IMatrixConverter
+    {
+        LampMatrix FromTimeSpan(TimeSpan time);
+    }
+}
\ No newline at end of file
diff --git a/Classes/BusinessLogic/LampMatrix.cs b/Classes/BusinessLogic/LampMatrix.cs
new file mode 100644
index 00000000..6715b582
--- /dev/null
+++ b/Classes/BusinessLogic/LampMatrix.cs
@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using BerlinClock.Classes.BusinessLogic.Lamps;
+
+namespace BerlinClock.Classes.BusinessLogic
+{
+    public class LampMatrix
+    {
+        /// <summary>
+        /// Lamp that is on the top of the clock
+        /// that blinks on/off every two seconds.
+        /// </summary>
+        public Lamp OddSecondsLamp => Rows[0][0];
+
+        public IEnumerable<Lamp[]> TimeIndicatorLampRows => Rows.Skip(1);
+
+        public Lamp[][] Rows { get; } =
+        {
+            new Lamp[]
+            {
+                new YellowLamp(TimeSpan.Zero),
+            },
+            new Lamp[]
+            {
+                new RedLamp(TimeSpan.FromHours(5)),
+                new RedLamp(TimeSpan.FromHours(5)),
+                new RedLamp(TimeSpan.FromHours(5)),
+                new RedLamp(TimeSpan.FromHours(5)),
+            },
+            new Lamp[]
+            {
+                new RedLamp(TimeSpan.FromHours(1)),
+                new RedLamp(TimeSpan.FromHours(1)),
+                new RedLamp(TimeSpan.FromHours(1)),
+                new RedLamp(TimeSpan.FromHours(1)),
+            },
+            new Lamp[]
+            {
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new RedLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new RedLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new RedLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+                new YellowLamp(TimeSpan.FromMinutes(5)),
+            },
+            new Lamp[]
+            {
+                new YellowLamp(TimeSpan.FromMinutes(1)),
+                new YellowLamp(TimeSpan.FromMinutes(1)),
+                new YellowLamp(TimeSpan.FromMinutes(1)),
+                new YellowLamp(TimeSpan.FromMinutes(1))
+            },
+        };
+    }
+}
diff --git a/Classes/BusinessLogic/Lamps/Lamp.cs b/Classes/BusinessLogic/Lamps/Lamp.cs
new file mode 100644
index 00000000..b6a320ab
--- /dev/null
+++ b/Classes/BusinessLogic/Lamps/Lamp.cs
@@ -0,0 +1,35 @@
+using System;
+
+namespace BerlinClock.Classes.BusinessLogic.Lamps
+{
+    public abstract class Lamp
+    {
+        public const string DisabledLampSign = "O";
+
+        /// <summary>
+        /// Time duration of the Lamp
+        /// </summary>
+        public TimeSpan Time { get; }
+
+        /// <summary>
+        /// Color of turned ON lamp
+        /// </summary>
+        public string Color { get; }
+
+        /// <summary>
+        /// Is lamp turned ON
+        /// </summary>
+        public bool Enabled { get; set; } = false;
+
+        /// <summary>
+        /// Effective Lamp Sign
+        /// </summary>
+        public string LampSign => Enabled ? Color : DisabledLampSign;
+
+        protected Lamp(TimeSpan time, string color)
+        {
+            Time = time;
+            Color = color;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Classes/BusinessLogic/Lamps/RedLamp.cs b/Classes/BusinessLogic/Lamps/RedLamp.cs
new file mode 100644
index 00000000..13f66d24
--- /dev/null
+++ b/Classes/BusinessLogic/Lamps/RedLamp.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace BerlinClock.Classes.BusinessLogic.Lamps
+{
+    public class RedLamp : Lamp
+    {
+        public RedLamp(TimeSpan time) : base(time, "R")
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Classes/BusinessLogic/Lamps/YellowLamp.cs b/Classes/BusinessLogic/Lamps/YellowLamp.cs
new file mode 100644
index 00000000..d739bd0c
--- /dev/null
+++ b/Classes/BusinessLogic/Lamps/YellowLamp.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace BerlinClock.Classes.BusinessLogic.Lamps
+{
+    public class YellowLamp : Lamp
+    {
+        public YellowLamp(TimeSpan time) : base(time, "Y")
+        {
+        }
+    }
+}
\ No newline at end of file
diff --git a/Classes/BusinessLogic/MatrixConverter.cs b/Classes/BusinessLogic/MatrixConverter.cs
new file mode 100644
index 00000000..de5d701e
--- /dev/null
+++ b/Classes/BusinessLogic/MatrixConverter.cs
@@ -0,0 +1,39 @@
+using BerlinClock.Classes.BusinessLogic.Lamps;
+using System;
+
+namespace BerlinClock.Classes.BusinessLogic
+{
+    public class MatrixConverter : IMatrixConverter
+    {
+        public LampMatrix FromTimeSpan(TimeSpan time)
+        {
+            var matrix = new LampMatrix();
+            matrix.OddSecondsLamp.Enabled = IsBlinking(time);
+
+            foreach (var rowLamps in matrix.TimeIndicatorLampRows)
+            {
+                foreach (var lamp in rowLamps)
+                {
+                    if (ShouldEnableLamp(time, lamp))
+                    {
+                        time = EnableLamp(time, lamp);
+                    }
+                }
+            }
+
+            return matrix;
+        }
+
+        private static TimeSpan EnableLamp(TimeSpan time, Lamp lamp)
+        {
+            time -= lamp.Time;
+            lamp.Enabled = true;
+
+            return time;
+        }
+
+        private static bool ShouldEnableLamp(TimeSpan time, Lamp lamp) => time - lamp.Time >= TimeSpan.Zero;
+
+        private static bool IsBlinking(TimeSpan time) => time.Seconds % 2 == 0;
+    }
+}
\ No newline at end of file
diff --git a/Classes/ITimeConverter.cs b/Classes/ITimeConverter.cs
index 1d9e4c27..122c0195 100644
--- a/Classes/ITimeConverter.cs
+++ b/Classes/ITimeConverter.cs
@@ -1,12 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace BerlinClock
+namespace BerlinClock.Classes
 {
     public interface ITimeConverter
     {
-        String convertTime(String aTime);
+        string ConvertTime(string aTime);
     }
-}
+}
\ No newline at end of file
diff --git a/Classes/Input/ITimeParser.cs b/Classes/Input/ITimeParser.cs
new file mode 100644
index 00000000..332b3dff
--- /dev/null
+++ b/Classes/Input/ITimeParser.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace BerlinClock.Classes.Input
+{
+    public interface ITimeParser
+    {
+        TimeSpan Parse(string aTime);
+    }
+}
diff --git a/Classes/Input/TimeParser.cs b/Classes/Input/TimeParser.cs
new file mode 100644
index 00000000..16f575a3
--- /dev/null
+++ b/Classes/Input/TimeParser.cs
@@ -0,0 +1,27 @@
+using System;
+
+namespace BerlinClock.Classes.Input
+{
+    public class TimeParser : ITimeParser
+    {
+        public const char TimeSeparator = ':';
+
+        public TimeSpan Parse(string aTime)
+        {
+            var timeChunks = aTime.Split(TimeSeparator);
+
+            if (timeChunks.Length != 3)
+            {
+                throw new ArgumentException($"{nameof(aTime)} must be in format hh{TimeSeparator}mm{TimeSeparator}ss");
+            }
+
+            var hours = int.Parse(timeChunks[0]);
+            var minutes = int.Parse(timeChunks[1]);
+            var seconds = int.Parse(timeChunks[2]);
+            var days = hours / 24;
+            hours %= 24;
+
+            return new TimeSpan(days, hours, minutes, seconds);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Classes/Output/IMatrixPrinter.cs b/Classes/Output/IMatrixPrinter.cs
new file mode 100644
index 00000000..2e62c9b2
--- /dev/null
+++ b/Classes/Output/IMatrixPrinter.cs
@@ -0,0 +1,9 @@
+using BerlinClock.Classes.BusinessLogic;
+
+namespace BerlinClock.Classes.Output
+{
+    public interface IMatrixPrinter
+    {
+        string ToString(LampMatrix matrix);
+    }
+}
diff --git a/Classes/Output/MatrixPrinter.cs b/Classes/Output/MatrixPrinter.cs
new file mode 100644
index 00000000..df11221c
--- /dev/null
+++ b/Classes/Output/MatrixPrinter.cs
@@ -0,0 +1,29 @@
+using System.Text;
+using BerlinClock.Classes.BusinessLogic;
+
+namespace BerlinClock.Classes.Output
+{
+    public class MatrixPrinter : IMatrixPrinter
+    {
+        private const string NewLine = "\r\n";
+
+        public string ToString(LampMatrix matrix)
+        {
+            var sb = new StringBuilder();
+
+            foreach (var rowLamps in matrix.Rows)
+            {
+                foreach (var lamp in rowLamps)
+                {
+                    sb.Append(lamp.LampSign);
+                }
+
+                sb.Append(NewLine);
+            }
+
+            sb.Length -= NewLine.Length;
+
+            return sb.ToString();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Classes/TimeConverter.cs b/Classes/TimeConverter.cs
index dd5bf4e0..b289b415 100644
--- a/Classes/TimeConverter.cs
+++ b/Classes/TimeConverter.cs
@@ -1,15 +1,28 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using BerlinClock.Classes.BusinessLogic;
+using BerlinClock.Classes.Input;
+using BerlinClock.Classes.Output;
 
-namespace BerlinClock
+namespace BerlinClock.Classes
 {
     public class TimeConverter : ITimeConverter
     {
-        public string convertTime(string aTime)
+        private readonly ITimeParser _parser;
+        private readonly IMatrixConverter _converter;
+        private readonly IMatrixPrinter _printer;
+
+        public TimeConverter(ITimeParser parser, IMatrixConverter converter, IMatrixPrinter printer)
         {
-            throw new NotImplementedException();
+            _parser = parser;
+            _converter = converter;
+            _printer = printer;
+        }
+
+        public string ConvertTime(string aTime)
+        {
+            var time = _parser.Parse(aTime);
+            var matrix = _converter.FromTimeSpan(time);
+
+            return _printer.ToString(matrix);
         }
     }
-}
+}
\ No newline at end of file