diff --git a/csharp/Lib/Time/Unix/UnixTimeDelta.Compare.cs b/csharp/Lib/Time/Unix/UnixTimeSpan.Compare.cs
similarity index 100%
rename from csharp/Lib/Time/Unix/UnixTimeDelta.Compare.cs
rename to csharp/Lib/Time/Unix/UnixTimeSpan.Compare.cs
diff --git a/csharp/Lib/Time/Unix/UnixTimeDelta.Constructors.cs b/csharp/Lib/Time/Unix/UnixTimeSpan.Constructors.cs
similarity index 100%
rename from csharp/Lib/Time/Unix/UnixTimeDelta.Constructors.cs
rename to csharp/Lib/Time/Unix/UnixTimeSpan.Constructors.cs
diff --git a/csharp/Lib/Time/Unix/UnixTimeDelta.Operators.cs b/csharp/Lib/Time/Unix/UnixTimeSpan.Operators.cs
similarity index 100%
rename from csharp/Lib/Time/Unix/UnixTimeDelta.Operators.cs
rename to csharp/Lib/Time/Unix/UnixTimeSpan.Operators.cs
diff --git a/csharp/Lib/Time/Unix/UnixTimeDelta.Overrides.cs b/csharp/Lib/Time/Unix/UnixTimeSpan.Overrides.cs
similarity index 100%
rename from csharp/Lib/Time/Unix/UnixTimeDelta.Overrides.cs
rename to csharp/Lib/Time/Unix/UnixTimeSpan.Overrides.cs
diff --git a/csharp/Lib/Time/Unix/UnixTimeDeltaExtensions.cs b/csharp/Lib/Time/Unix/UnixTimeSpanExtensions.cs
similarity index 100%
rename from csharp/Lib/Time/Unix/UnixTimeDeltaExtensions.cs
rename to csharp/Lib/Time/Unix/UnixTimeSpanExtensions.cs