diff --git a/package.json b/package.json
index ac4ddea..c6ffa3c 100644
--- a/package.json
+++ b/package.json
@@ -45,5 +45,7 @@
     "typescript": "^2.3.1",
     "zone.js": "^0.8.9"
   },
-  "dependencies": {}
+  "dependencies": {
+    "gulp": "^3.9.1"
+  }
 }
diff --git a/src/components/datepicker-options.ts b/src/components/datepicker-options.ts
index 4e66fb3..9a80292 100644
--- a/src/components/datepicker-options.ts
+++ b/src/components/datepicker-options.ts
@@ -11,4 +11,5 @@ export class AngularDatepickerOptions {
   weekendHighlight?: boolean = true;
   closeOnSelect?: boolean = true;
   modalMediaQuery?: string;
+  localeString?: string = 'en';
 }
\ No newline at end of file
diff --git a/src/components/datepicker/datepicker.ts b/src/components/datepicker/datepicker.ts
index 4215297..a851956 100644
--- a/src/components/datepicker/datepicker.ts
+++ b/src/components/datepicker/datepicker.ts
@@ -103,8 +103,14 @@ export class DatePickerComponent implements ControlValueAccessor, OnInit, AfterV
                 this.options.closeOnSelect = this.opts.closeOnSelect;
             } else {
                 this.options.closeOnSelect = this.options.closeOnSelect.toString() === 'true';
+            }
+			if (typeof this.options.localeString === 'undefined') {
+                this.options.localeString = this.opts.localeString;
             }
         }
+		
+		moment.locale(this.options.localeString);
+		
         this.datePicker.mergeOptions(this.options);
     }