In many jurisdictions, driver’s licenses expire on your 21st birthday. An expired ID is not a valid form of identification for purchasing alcohol.
Yes, you can legally buy alcohol on your 21st birthday in the United States, as you are considered 21 years of age starting at the stroke of midnight on that day. While federal and state laws generally recognize you as legal the moment your birth date begins, practical hurdles like business policies and local statutes can affect your experience. Timing: The Midnight Rule
Even though you are legal, your current ID might cause issues: