There are a few ways to change your date of birth on Facebook. The easiest way is to use the “Date of Birth” tool in the “My Facebook” section. To do this, you will need to enter your date of birth in the text field and click on the “Update” button. Another way to change your date of birth is to use the “Date of Birth” tool in the “My Timeline.” To do this, you will need to enter your date of birth in the text field and click on the “Update” button. If you have not already done so, you should also check out our guide on how to create a new Facebook account. This guide will help you create an account and set up your information.