diff --git a/index.d.ts b/index.d.ts
index 57a46c8..3384135 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -82,7 +82,7 @@ declare module "@athombv/data-types" {
 
     // ToD
     // date
-    // UTC
+    UTC: DataType<number>;
 
     // clusterId
     // attribId
diff --git a/lib/DataTypes.js b/lib/DataTypes.js
index 4a8d2f2..726ed9c 100644
--- a/lib/DataTypes.js
+++ b/lib/DataTypes.js
@@ -496,7 +496,7 @@ const DataTypes = {
 
 // ToD         :               new DataType(224, 'ToD'          , 4   , ),
 // date        :               new DataType(225, 'date'         , 4   , ),
-// UTC         :               new DataType(226, 'UTC'          , 4   , ),
+  UTC         :               new DataType(226, 'UTC'          , 4   , uintToBuf             , uintFromBuf                 ),
 
 // clusterId   :               new DataType(232, 'clusterId'    , 2   , ),
 // attribId    :               new DataType(233, 'attribId'     , 2   , ),