National Pi Day Specials 2024. March 14 is national pi day, so get ready to honor the mathematical constant π and one of the world’s greatest minds, albert einstein. You get $3.14 back when you buy any two california kitchen.

National pi day — the one without an e — is fast approaching, and there’s good news! Here are all the best food deals on pi day, march 14, on pie, pizza and beyond from taco bell, burger king, doordash, pizza hut and more chains.