The reminders will appear on Google.Com instead of Google's social networking site Google+.
In a Google+ blogpost, Google's Irene Chung said "starting today (August 28), you'll see a reminder on Google.Com when someone in your circles has a birthday! From there it's easy to share a fun message, photo, or video with the birthday gal or guy."
Chung said at first birthday reminders would only be seen for people searching in English on Google.Com.
"We'll be rolling this feature out gradually over the next few days," Chung said.
The feature can be seen on top right corner of the Google.Com. The birthday notification comes with a "Say happy birthday" link where users can leave a message for their friends.