diff --git a/components/date-picker/__tests__/DatePicker.test.js b/components/date-picker/__tests__/DatePicker.test.js
index 81bdc34097..c698e35df8 100644
--- a/components/date-picker/__tests__/DatePicker.test.js
+++ b/components/date-picker/__tests__/DatePicker.test.js
@@ -17,7 +17,7 @@ describe('DatePicker', () => {
   focusTest(DatePicker);
 
   beforeEach(() => {
-    MockDate.set(new Date('2016-11-22').getTime() + (new Date().getTimezoneOffset() * 60 * 1000));
+    MockDate.set(new Date('2016-11-22'));
   });
 
   afterEach(() => {
diff --git a/tests/utils.js b/tests/utils.js
index e730ad95fa..5422e931ed 100644
--- a/tests/utils.js
+++ b/tests/utils.js
@@ -1,8 +1,8 @@
 import moment from 'moment';
 import MockDate from 'mockdate';
 
-export function setMockDate(dateString = '2017-09-18T03:30:07.795Z') {
-  MockDate.set(moment(dateString).valueOf() + (new Date().getTimezoneOffset() * 60 * 1000));
+export function setMockDate(dateString = '2017-09-18T03:30:07.795') {
+  MockDate.set(moment(dateString));
 }
 
 export function resetMockDate() {