diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..a57fdbbc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,353 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*[.json, .xml, .info]
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# 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
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
\ No newline at end of file
diff --git a/BDD/BerlinClockFeatureSteps.cs b/BDD/BerlinClockFeatureSteps.cs
index 4390f3cb..1d30b909 100644
--- a/BDD/BerlinClockFeatureSteps.cs
+++ b/BDD/BerlinClockFeatureSteps.cs
@@ -1,7 +1,7 @@
 using System;
 using TechTalk.SpecFlow;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using System.Linq;
+using BerlinClock.Interfaces;
 
 namespace BerlinClock
 {
diff --git a/BerlinClock.csproj b/BerlinClock.csproj
index ac8af99d..609d3f6f 100644
--- a/BerlinClock.csproj
+++ b/BerlinClock.csproj
@@ -50,13 +50,16 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BDD\BerlinClockFeatureSteps.cs" />
+    <Compile Include="Classes\ClockLamps.cs" />
+    <Compile Include="Interfaces\IMarkColorClock.cs" />
+    <Compile Include="Classes\MarkColorClock.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="BDD\BerlinClockFeatureSteps.feature.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>
       <DependentUpon>BerlinClockFeatureSteps.feature</DependentUpon>
     </Compile>
-    <Compile Include="Classes\ITimeConverter.cs" />
+    <Compile Include="Interfaces\ITimeConverter.cs" />
     <Compile Include="Classes\TimeConverter.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Classes/ClockLamps.cs b/Classes/ClockLamps.cs
new file mode 100644
index 00000000..61656901
--- /dev/null
+++ b/Classes/ClockLamps.cs
@@ -0,0 +1,30 @@
+namespace BerlinClock.Classes
+{
+    public static class ClockLamps
+    {
+        public const int TotalOfSecondsThatTheFirstLampBlinks = 2;
+        public const int HourOfTheFirstRowLamp = 5;
+
+        public const int MinuteOfTheFirstLastLamp = 1;
+        public const int MinuteOfTheSecondtLastLamp = 2;
+        public const int MinuteOfTheThirdLastLamp = 3;
+        public const int MinuteOfTheForthLastLamp = 4;
+
+        public const int HourOfTheFirstLampOfSecondRow = 1;
+        public const int HourOfTheSecondLampRow = 2;
+        public const int HourOfTheThirdLampOfSecondRow = 3;
+        public const int HourOfTheForthLampOfSecondRow = 4;
+
+        public const int FirstPositionOfAnHour = 1;
+        public const int SecondPositionOfAnHour = 2;
+        public const int FirstQuarterPositionOfAnHour = 3;
+        public const int ForthPositionOfAnHour = 4;
+        public const int FithPositionOfAnHour = 5;
+        public const int HalfQuarterPositionOfAnHour = 6;
+        public const int SeventhPositionOfAnHour = 7;
+        public const int EigthPositionOfAnHour = 8;
+        public const int LastQuarterPositionOfAnHour = 9;
+        public const int TenthPositionOfAnHour = 10;
+        public const int EleventhPositionOfAnHour = 11;
+    }
+}
diff --git a/Classes/MarkColorClock.cs b/Classes/MarkColorClock.cs
new file mode 100644
index 00000000..b50e365b
--- /dev/null
+++ b/Classes/MarkColorClock.cs
@@ -0,0 +1,156 @@
+using BerlinClock.Interfaces;
+using System.Text;
+
+namespace BerlinClock.Classes
+{
+    public class MarkColorClock : IMarkColorClock
+    {
+        public StringBuilder FindFirstLampBlink(int secondsComingFromTheClock)
+        {
+            StringBuilder firstLampBlink = new StringBuilder();
+
+            if (secondsComingFromTheClock % ClockLamps.TotalOfSecondsThatTheFirstLampBlinks == 0)
+            {
+                firstLampBlink.Append("Y\r\n");
+            }
+            else
+            {
+                firstLampBlink.Append("O\r\n");
+            }
+
+            return firstLampBlink;
+        }
+
+        public StringBuilder FindFirstRowLampBlink(int hoursCommingFromTheClock, StringBuilder firstLampBlink)
+        {
+
+            if (hoursCommingFromTheClock < ClockLamps.HourOfTheFirstRowLamp)
+            {
+                firstLampBlink.Append("OOOO\r\n");
+            }
+
+            if (hoursCommingFromTheClock == ClockLamps.HourOfTheFirstRowLamp)
+            {
+                firstLampBlink.Append("ROOO\r\n");
+            }
+
+            if (hoursCommingFromTheClock >= ClockLamps.TenthPositionOfAnHour && hoursCommingFromTheClock <= 14)
+            {
+                firstLampBlink.Append("RROO\r\n");
+            }
+
+            if (hoursCommingFromTheClock >= 15 && hoursCommingFromTheClock < 20)
+            {
+                firstLampBlink.Append("RRRO\r\n");
+            }
+
+            if (hoursCommingFromTheClock >= 20)
+            {
+                firstLampBlink.Append("RRRR\r\n");
+            }
+
+            return firstLampBlink;
+        }
+
+        public StringBuilder FindSecondRowLampBlink(int hoursCommingFromTheClock, StringBuilder firstLampBlink)
+        {
+            int hoursModule = hoursCommingFromTheClock % ClockLamps.HourOfTheFirstRowLamp;
+
+            switch (hoursModule)
+            {
+                case ClockLamps.HourOfTheFirstLampOfSecondRow:
+                    firstLampBlink.Append("ROOO\r\n");
+                    break;
+                case ClockLamps.HourOfTheSecondLampRow:
+                    firstLampBlink.Append("RROO\r\n");
+                    break;
+                case ClockLamps.HourOfTheThirdLampOfSecondRow:
+                    firstLampBlink.Append("RRRO\r\n");
+                    break;
+                case ClockLamps.HourOfTheForthLampOfSecondRow:
+                    firstLampBlink.Append("RRRR\r\n");
+                    break;
+                default:
+                    firstLampBlink.Append("OOOO\r\n");
+                    break;
+            }
+
+            return firstLampBlink;
+        }
+
+        public StringBuilder FindThirdRowLampBlink(int minutesCommingFromTheClock, StringBuilder firstLampBlink)
+        {
+            int minutesDivided = minutesCommingFromTheClock / ClockLamps.HourOfTheFirstRowLamp;
+
+            switch (minutesDivided)
+            {
+                case ClockLamps.FirstPositionOfAnHour:
+                    firstLampBlink.Append("YOOOOOOOOOO\r\n");
+                    break;
+                case ClockLamps.SecondPositionOfAnHour:
+                    firstLampBlink.Append("YYOOOOOOOOO\r\n");
+                    break;
+                case ClockLamps.FirstQuarterPositionOfAnHour:
+                    firstLampBlink.Append("YYROOOOOOOO\r\n");
+                    break;
+                case ClockLamps.ForthPositionOfAnHour:
+                    firstLampBlink.Append("YYRYOOOOOOO\r\n");
+                    break;
+                case ClockLamps.FithPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYOOOOOO\r\n");
+                    break;
+                case ClockLamps.HalfQuarterPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYROOOOO\r\n");
+                    break;
+                case ClockLamps.SeventhPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYRYOOOO\r\n");
+                    break;
+                case ClockLamps.EigthPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYRYYOOO\r\n");
+                    break;
+                case ClockLamps.LastQuarterPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYRYYROO\r\n");
+                    break;
+                case ClockLamps.TenthPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYRYYRYO\r\n");
+                    break;
+                case ClockLamps.EleventhPositionOfAnHour:
+                    firstLampBlink.Append("YYRYYRYYRYY\r\n");
+                    break;
+                default:
+                    firstLampBlink.Append("OOOOOOOOOOO\r\n");
+                    break;
+            }
+
+            return firstLampBlink;
+
+        }
+
+
+        public StringBuilder FindLastRowLampBlink(int minutesCommingFromTheClock, StringBuilder firstLampBlink)
+        {
+            int minutesModule = minutesCommingFromTheClock % ClockLamps.HourOfTheFirstRowLamp;
+
+            switch (minutesModule)
+            {
+                case ClockLamps.MinuteOfTheFirstLastLamp:
+                    firstLampBlink.Append("YOOO");
+                    break;
+                case ClockLamps.MinuteOfTheSecondtLastLamp:
+                    firstLampBlink.Append("YYOO");
+                    break;
+                case ClockLamps.MinuteOfTheThirdLastLamp:
+                    firstLampBlink.Append("YYYO");
+                    break;
+                case ClockLamps.MinuteOfTheForthLastLamp:
+                    firstLampBlink.Append("YYYY");
+                    break;
+                default:
+                    firstLampBlink.Append("OOOO");
+                    break;
+            }
+
+            return firstLampBlink;
+        }
+    }
+}
diff --git a/Classes/TimeConverter.cs b/Classes/TimeConverter.cs
index dd5bf4e0..64715ee6 100644
--- a/Classes/TimeConverter.cs
+++ b/Classes/TimeConverter.cs
@@ -1,15 +1,30 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
+using BerlinClock.Classes;
+using BerlinClock.Interfaces;
+using System;
 using System.Text;
 
 namespace BerlinClock
 {
     public class TimeConverter : ITimeConverter
     {
+        private readonly IMarkColorClock markColorClock = new MarkColorClock();
+
         public string convertTime(string aTime)
         {
-            throw new NotImplementedException();
+            var timeSplited = aTime.Split(':');
+
+            int hoursSplited = Convert.ToInt32(timeSplited[0]);
+            int minutesSplited = Convert.ToInt32(timeSplited[1]);
+            int secondsSplited = Convert.ToInt32(timeSplited[2]);
+
+            StringBuilder firstLampBlink = this.markColorClock.FindFirstLampBlink(secondsSplited);
+            StringBuilder firstRowLampsBlink = this.markColorClock.FindFirstRowLampBlink(hoursSplited, firstLampBlink);
+            StringBuilder secondRowLampsBlink = this.markColorClock.FindSecondRowLampBlink(hoursSplited, firstRowLampsBlink);
+
+            StringBuilder thirdRowLampsBlink = this.markColorClock.FindThirdRowLampBlink(minutesSplited, secondRowLampsBlink);
+            StringBuilder lastRowLampsBlink = this.markColorClock.FindLastRowLampBlink(minutesSplited, thirdRowLampsBlink);
+
+            return lastRowLampsBlink.ToString();
         }
     }
 }
diff --git a/Interfaces/IMarkColorClock.cs b/Interfaces/IMarkColorClock.cs
new file mode 100644
index 00000000..80bde42a
--- /dev/null
+++ b/Interfaces/IMarkColorClock.cs
@@ -0,0 +1,17 @@
+using System.Text;
+
+namespace BerlinClock.Interfaces
+{
+    public interface IMarkColorClock
+    {
+        StringBuilder FindFirstLampBlink(int secondsComingFromTheClock);
+
+        StringBuilder FindFirstRowLampBlink(int hoursCommingFromTheClock, StringBuilder firstLampBlink);
+
+        StringBuilder FindSecondRowLampBlink(int hoursCommingFromTheClock, StringBuilder firstLampBlink);
+
+        StringBuilder FindThirdRowLampBlink(int minutesCommingFromTheClock, StringBuilder firstLampBlink);
+
+        StringBuilder FindLastRowLampBlink(int minutesCommingFromTheClock, StringBuilder firstLampBlink);
+    }
+}
diff --git a/Classes/ITimeConverter.cs b/Interfaces/ITimeConverter.cs
similarity index 54%
rename from Classes/ITimeConverter.cs
rename to Interfaces/ITimeConverter.cs
index 1d9e4c27..889f79c4 100644
--- a/Classes/ITimeConverter.cs
+++ b/Interfaces/ITimeConverter.cs
@@ -1,9 +1,6 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 
-namespace BerlinClock
+namespace BerlinClock.Interfaces
 {
     public interface ITimeConverter
     {