diff --git a/sequelize/sequelize-tests.ts b/sequelize/sequelize-tests.ts
index 15010e5447f75d..b7a04761f0c773 100644
--- a/sequelize/sequelize-tests.ts
+++ b/sequelize/sequelize-tests.ts
@@ -486,6 +486,7 @@ Sequelize.CHAR( 12 ).BINARY;
 Sequelize.CHAR.BINARY;
 Sequelize.BOOLEAN;
 Sequelize.DATE;
+Sequelize.DATE(6);
 Sequelize.UUID;
 Sequelize.UUIDV1;
 Sequelize.UUIDV4;
diff --git a/sequelize/sequelize.d.ts b/sequelize/sequelize.d.ts
index 8f803a8b64bb19..0bf3d6d9e24340 100644
--- a/sequelize/sequelize.d.ts
+++ b/sequelize/sequelize.d.ts
@@ -1736,7 +1736,15 @@ declare module "sequelize" {
 
         interface DataTypeTime extends DataTypeAbstract { }
 
-        interface DataTypeDate extends DataTypeAbstract { }
+        interface DataTypeDate extends DataTypeAbstract {
+
+            /**
+             * Length of decimal places of time
+             */
+            ( options? : { length?: number } ) : DataTypeDate;
+            ( length? : number) : DataTypeDate;
+
+        }
 
         interface DataTypeDateOnly extends DataTypeAbstract { }