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  • Annual Popular Event - IN PERSON CELEBRATION IN 2024

Pi Day Princeton

Once a year, celebrate Pi Day & Einstein's Birthday in Princeton ....... certifiable genius country!

Quick Details

REGISTER CONTESTANT FOR EINSTEIN LOOK A LIKE CONTEST This is a crowd pleaser so please arrive promptly!
REGISTER CONTESTANT FOR BOTH CONTESTS This is just so we know if anyone is planning on competing for both!

Pi Day Princeton & Einstein’s Birthday Celebration  2024 will be more fun than ever!

Einstein was born on March 14 — 3.14 — the numeric equivalent of Pi! Every year, the town of Princeton celebrates with an irrational number of events, including an Einstein Look-a-Like & Pi Recitation contest, expert memorization speaker and pie sampling experience!

  • Pi Recitation Winner receives $314.15!  (10yrs and younger)
  • Look A Like Winner receive $314.15!  (10yrs and younger)
  • LillliPies Pie Flight Contest 
  • Discounts at Proof Pizzeria
  • Dinky Train Rides with Albert Einstein!
  • Memorization suggestions from the first champion to break 10,000 digits!
  • Guided Pub Crawls
  • Albert Einstein Memorial Lecture by recent Nobel Prize Winner

There’s even a Pi-Rade, story time and book signings, and a self guided tour of Einstein’s neighborhood. 

Princeton is honored to host the world to celebrate our most beloved Princeton genius!

Follow us on social media or email us for locations for each official event!

Event Partners

Princeton Tour Company, Arts Council of Princeton/Paul Robeson Center for the Arts, LilliPies, Proof Pizzeria, the bent spoon, Princeton Shopping Center, Princeton Public Library, Historical Society of Princeton, Princeton University  & Princeton Mercer Regional Chamber & Princeton Convention Visitors Bureau

Pi Recitation & Einstein Look A Like Registrations – $3.14 per contestant | Guarantees participation in Pi Recitation competition (10yrs and younger) | Guarantees participation in the Einstein Look A Like competition (10yrs and younger) |Winner of Pi Recitation contest receives $314.15 | Winner of Einstein Look A Like competition receives $314.15

Most events are free to the public. Some non-profits and businesses charge nominal fees. 

Check-In Information

  • Most events are free and located in downtown Princeton or Princeton Shopping Center. We recommend arriving early to guarantee participation; however, the purchase of contestant registration guarantees participation to compete in contests.

2024 Pi Day Celebration Schedule 

Saturday – 3.9.24

  • ALL Day      Albert Einstein Self Guided Walking Tour – $3.14 per map
  • 8:00  a.m.   LiLLiPIES Pie Flight Contest – Princeton Shopping Center at LiLLiPIES  (pi priced tasting experiences offered through 2:00 p.m.)
  • 10:30 a.m.   Einstein Look-A-Like Contests – Location  TBD
  • 11:00 a.m.    Proof Pizzeria guests receive a 9.87% discount on all in-restaurant purchases (through 9:00 p.m.)
  • 11:30 a.m.    Learn to recite Pi from the first person to achieve 10,000 digits! – Location TBD
  • 12:00 p.m.   Pi Recitation Contest – Location TBD  (Pi-Rade immediately follows)
  • 12:00 p.m.   Einstein exhibition – Historical Society of Princeton at Updike Farmstead (open through 4:00 p.m.)
  •  1:00 p.m.    Princeton School Gardens Cooperative Fundraiser – the bent spoon & LilliPies (all day pi priced pairing)
  •  1:30 p.m.    Pop Up Event by Historical Society – Princeton  Public Library
  •  2:00 p.m.   Dinky Train Rides with Albert Einstein (meet at Wawa Station – Bill Agress is famous re-enactor)
  •  2:30  p.m.   Einstein Open Archives Event for families with crafts and STEM activities – Princeton Public Library 3rd Floor (open through 4:30 p.m.)
  •  3:14  p.m.   Einstein Self Guided Walking Tour –  3.14 per map 
  •  4:00 p.m.   Pi Day Pub Crawl – Adults Only – Begins at Yankee Doodle Tap Room

Thursday, PI DAY – 3.14.24 

  • ALL Day      Albert Einstein Self Guided Walking Tour – $3.14 per map
  •  7:00 a.m.   Delizioso Bakery + Kitchen fresh baked mini pies (through 6:00 p.m.)
  • 11:00 a.m.   Proof Pizzeria guests receive a 9.87% discount on all in-restaurant purchases (through 9:00 p.m.)
  • 1:00 p.m.    PSGC Fundraiser – the bent spoon & LilliPies paired treats (5:00p.m. at the bent spoon) 
  •  3:14 p.m.    One Hour Guided Walking Tour of Albert Einstein’s famous homes and hangouts! 
  •  5:30 p.m.   Albert Einstein Memorial Lecture – Princeton Mercer Chamber/CVB – Robertson Hall, Princeton University
  •  7:00 p.m.   Einstein Open Archives – Princeton Public Library

Join us on Facebook and Instagram to follow along in a day’s worth of online irrational fun, including previous years’ contests, tours, video lectures, & more!