Sign in to your Google Account privacy page. Click Personal info. Click Birthday.

Go to Google Account Page. Into the Google Account page, Click on the Personal Info & Privacy. Click on the Birthday. Click on the Pencil icon and change your Date of Birth.

Some content and services are subject to age verification. To access age-restricted content or services, we may ask to confirm your age with a valid government ID, or a valid credit card. If you attempt to access age-restricted content or features, and you're asked to verify your age, select Verify.

Google celebrates events with Doodles. Users can find their birthday doodles on the Google Doodle website by entering their date of birth. The website curates all the doodles created over the years and allows users to search for doodles and events that happened on their birthday. Google celebrates events with Doodles.