Expand Your Universe
300 unique events.
One unforgettable day.
Welcome to Berkeley's annual Open House! Experience the distinctive UC Berkeley spirit in the company of prospective students, families and friends.
No reservations or registration required!
Share your Cal Day photos with the world! Email them to sharecalday @berkeley.edu
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The Expanding Universe
Chancellor Birgeneau interviews Nobel Prize-winning physicist Saul Perlmutter -
Cal football
Check out the Golden Bears' final spring practice, at Edwards Stadium, followed by an autograph session with the team -
Lecture
Robert Reich: "Political civility should not be an oxymoron" -
Robotics
Folding laundry, giving you a hug, it isn't mum ... it's a robot! -
Showtime on Sproul
Dance, song, comedy — the many talents of Berkeley students will be on full display -
Book Fair
Authors and illustrators come together to celebrate children's literature -
Biology
A talk on mating behaviors in the rare pygmy octopus -
Kids Event
Get a hug from Oski — everybody's favorite Golden Bear — at Oskiland -
Astronomy
Alex Filippenko on observing two rare celestial events from your backyard 
Kids Event
Get your Science@Cal Passport to make friends with T. rex and Pteranodon
Baseball: Cal vs. Utah
Come out for a day of Golden Bear baseball! Admission is free
New Student Welcome
Families are welcome, too, for a chat with Chancellor Birgeneau and campus leaders-
Residence hall tours
Visit student rooms, dining areas and more to get a glimpse of the student living experience -
Bug Doctor
Insect experts will help identify your bugs and creepy crawlers, plus live insect viewing and prizes for the kids -
Outdoor concert
Bring your blanket, claim a patch of lawn, and cap off a great Cal Day with live music by Dr. Dog!