How to Change Your Birthday on Facebook:

1. Click on your profile. You can do this by clicking on your name on the top right hand corner of the page. You can also click on your name on the top left-hand corner of the page. This will bring you to your profile page.
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   Click "About." You can find this option under your profile picture on the left side of the screen.
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   Click "Edit." You can find this option under "Basic Info" in the middle of the right side of the page.