diff --git a/examples/official-storybook/stories/addon-knobs.stories.js b/examples/official-storybook/stories/addon-knobs.stories.js
index d5ddfd0e7a55..50fda6c4d24e 100644
--- a/examples/official-storybook/stories/addon-knobs.stories.js
+++ b/examples/official-storybook/stories/addon-knobs.stories.js
@@ -68,7 +68,7 @@ storiesOf('Addons|Knobs.withKnobs', module)
     const nice = boolean('Nice', true);
 
     // NOTE: the default value must not change - e.g., do not do date('Label', new Date()) or date('Label')
-    const defaultBirthday = new Date('Jan 20 2017');
+    const defaultBirthday = new Date('Jan 20 2017 GMT+0');
     const birthday = date('Birthday', defaultBirthday);
 
     const intro = `My name is ${name}, I'm ${age} years old, and my favorite fruit is ${fruit}.`;
@@ -124,7 +124,7 @@ storiesOf('Addons|Knobs.withKnobsOptions', module)
     const nice = boolean('Nice', true);
 
     // NOTE: the default value must not change - e.g., do not do date('Label', new Date()) or date('Label')
-    const defaultBirthday = new Date('Jan 20 2017');
+    const defaultBirthday = new Date('Jan 20 2017 GMT+0');
     const birthday = date('Birthday', defaultBirthday);
 
     const intro = `My name is ${name}, I'm ${age} years old, and my favorite fruit is ${fruit}.`;