diff --git a/SteamWareLib/SteamWare.csproj b/SteamWareLib/SteamWare.csproj
index 75caf2e..466d648 100644
--- a/SteamWareLib/SteamWare.csproj
+++ b/SteamWareLib/SteamWare.csproj
@@ -181,7 +181,7 @@
     <Compile Include="authProxy.cs" />
     <Compile Include="BillingProxy.cs" />
     <Compile Include="calc.cs" />
-    <Compile Include="calendar.cs" />
+    <Compile Include="calendarMan.cs" />
     <Compile Include="confrontoValori.cs" />
     <Compile Include="CSV_utils.cs" />
     <Compile Include="DataLayer_AnagGen.Designer.cs">
diff --git a/SteamWareLib/Calendar.cs b/SteamWareLib/calendarMan.cs
similarity index 95%
rename from SteamWareLib/Calendar.cs
rename to SteamWareLib/calendarMan.cs
index 4cb9a4f..44434a8 100644
--- a/SteamWareLib/Calendar.cs
+++ b/SteamWareLib/calendarMan.cs
@@ -21,7 +21,10 @@ namespace SteamWare
     /// </summary>
     public string what { get; set; } = "";
   }
-  public class calendar
+  /// <summary>
+  /// Classe gestione procedure Calendario (es festività)
+  /// </summary>
+  public class calendarMan
   {
     /// <summary>
     /// Calculate Easter Sunday for any given year.