diff --git a/src/NmeaParser/Nmea/Gga.cs b/src/NmeaParser/Nmea/Gga.cs
index bd75c56..831737e 100644
--- a/src/NmeaParser/Nmea/Gga.cs
+++ b/src/NmeaParser/Nmea/Gga.cs
@@ -26,7 +26,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gpgga")]
     [NmeaMessageType("--GGA")]
-    public class Gga : NmeaMessage
+    public class Gga : NmeaMessage, ITimestampedMessage
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Gga"/> class.
@@ -123,6 +123,8 @@ namespace NmeaParser.Messages
         /// </summary>
         public int DgpsStationId { get; }
 
+        TimeSpan ITimestampedMessage.Timestamp => FixTime;
+
         /// <summary>
         /// Fix quality indicater
         /// </summary>
diff --git a/src/NmeaParser/Nmea/Gll.cs b/src/NmeaParser/Nmea/Gll.cs
index 625d0dd..52fe6e1 100644
--- a/src/NmeaParser/Nmea/Gll.cs
+++ b/src/NmeaParser/Nmea/Gll.cs
@@ -24,7 +24,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gll")]
     [NmeaMessageType("--GLL")]
-    public class Gll : NmeaMessage
+    public class Gll : NmeaMessage, ITimestampedMessage
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Gll"/> class.
@@ -85,6 +85,8 @@ namespace NmeaParser.Messages
         /// </summary>
         public Mode ModeIndicator { get; }
 
+        TimeSpan ITimestampedMessage.Timestamp => FixTime;
+
         /// <summary>
         /// Positioning system Mode Indicator
         /// </summary>
diff --git a/src/NmeaParser/Nmea/Gns.cs b/src/NmeaParser/Nmea/Gns.cs
index 4afc73e..a2183eb 100644
--- a/src/NmeaParser/Nmea/Gns.cs
+++ b/src/NmeaParser/Nmea/Gns.cs
@@ -38,7 +38,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gns")]
     [NmeaMessageType("--GNS")]
-    public class Gns : NmeaMessage
+    public class Gns : NmeaMessage, ITimestampedMessage
     {
         /*
          * Example of GNS messages:
@@ -258,5 +258,7 @@ namespace NmeaParser.Messages
         /// Navigational status
         /// </summary>
         public NavigationalStatus Status { get; }
+
+        TimeSpan ITimestampedMessage.Timestamp => FixTime;
     }
 }
diff --git a/src/NmeaParser/Nmea/Gst.cs b/src/NmeaParser/Nmea/Gst.cs
index bf0f7a1..f3e09e0 100644
--- a/src/NmeaParser/Nmea/Gst.cs
+++ b/src/NmeaParser/Nmea/Gst.cs
@@ -21,7 +21,7 @@ namespace NmeaParser.Messages
     /// </summary>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gpgst")]
     [NmeaMessageType("--GST")]
-    public class Gst : NmeaMessage
+    public class Gst : NmeaMessage, ITimestampedMessage
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Gst"/> class.
@@ -82,5 +82,7 @@ namespace NmeaParser.Messages
         /// Standard deviation of altitude error in meters.
         /// </summary>
         public double SigmaHeightError { get; }
+
+        TimeSpan ITimestampedMessage.Timestamp => FixTime;
     }
 }
diff --git a/src/NmeaParser/Nmea/ITimestampedMessage.cs b/src/NmeaParser/Nmea/ITimestampedMessage.cs
new file mode 100644
index 0000000..1911309
--- /dev/null
+++ b/src/NmeaParser/Nmea/ITimestampedMessage.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace NmeaParser.Messages
+{
+    /// <summary>
+    /// Indicates this message has a time stamp
+    /// </summary>
+    public interface ITimestampedMessage
+    {
+        /// <summary>
+        /// Gets the time of day for the message
+        /// </summary>
+        TimeSpan Timestamp { get; }
+    }
+}
diff --git a/src/NmeaParser/Nmea/Rmc.cs b/src/NmeaParser/Nmea/Rmc.cs
index df2cadf..e4c0c4a 100644
--- a/src/NmeaParser/Nmea/Rmc.cs
+++ b/src/NmeaParser/Nmea/Rmc.cs
@@ -28,7 +28,7 @@ namespace NmeaParser.Messages
     /// </remarks>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Gprmc")]
     [NmeaMessageType("--RMC")]
-    public class Rmc : NmeaMessage
+    public class Rmc : NmeaMessage, ITimestampedMessage
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Rmc"/> class.
@@ -93,5 +93,7 @@ namespace NmeaParser.Messages
         /// Magnetic Variation
         /// </summary>
         public double MagneticVariation { get; }
+
+        TimeSpan ITimestampedMessage.Timestamp => FixTime.TimeOfDay;
     }
 }
diff --git a/src/NmeaParser/Nmea/Zda.cs b/src/NmeaParser/Nmea/Zda.cs
index 0d95eb1..91c306e 100644
--- a/src/NmeaParser/Nmea/Zda.cs
+++ b/src/NmeaParser/Nmea/Zda.cs
@@ -22,7 +22,7 @@ namespace NmeaParser.Messages
     /// </summary>
     [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Zda")]
     [NmeaMessageType("--ZDA")]
-    public class Zda : NmeaMessage
+    public class Zda : NmeaMessage, ITimestampedMessage
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Zda"/> class.
@@ -53,5 +53,7 @@ namespace NmeaParser.Messages
         /// Gets the time of fix
         /// </summary>
         public DateTimeOffset FixDateTime { get; }
+
+        TimeSpan ITimestampedMessage.Timestamp => FixDateTime.TimeOfDay;
     }
 }
diff --git a/src/NmeaParser/NmeaParser.csproj b/src/NmeaParser/NmeaParser.csproj
index 34d1c0f..c2fabfd 100644
--- a/src/NmeaParser/NmeaParser.csproj
+++ b/src/NmeaParser/NmeaParser.csproj
@@ -11,7 +11,7 @@
     <Description>An NMEA stream parser for serial port, bluetooth and file-based nmea simulation.</Description>
     <PackageTags>nmea winrt wpf uwp xamarin gps serialport bluetooth</PackageTags>
     <PackageId>SharpGIS.NmeaParser</PackageId>
-    <Version>2.0</Version>
+    <Version>2.1</Version>
     <Product>NMEA Parser</Product>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageProjectUrl>https://dotmorten.github.io/NmeaParser/</PackageProjectUrl>
@@ -20,7 +20,7 @@
     <Copyright>Copyright © Morten Nielsen 2015-2020</Copyright>
     <OutputPath>$(MSBuildThisFileDirectory)..\..\artifacts\NmeaParser\$(Configuration)</OutputPath>
     <PackageOutputPath>..\..\artifacts\NuGet\$(Configuration)\</PackageOutputPath>
-    <PackageReleaseNotes>New refined and easier to use v2 API</PackageReleaseNotes>
+    <PackageReleaseNotes>Added ITimestampedMessage interface to easily get time stamps from any message that supports it</PackageReleaseNotes>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
@@ -30,6 +30,7 @@
     <Nullable>enable</Nullable>
     <PackageIcon>logo.png</PackageIcon>
     <PackageIconUrl />
+    <AssemblyVersion>2.1.0.0</AssemblyVersion>
   </PropertyGroup>
   
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.4'">