What is a "cake day" on Reddit?

On Reddit, a "cake day" is the anniversary of the day a user joined the platform. It's indicated by a small cake icon next to the user's username and is typically celebrated by other users with well-wishes, congratulations, and sometimes by giving the user virtual "cake day" awards or upvotes.

Cake days are significant to some Reddit users because they mark milestones in their time spent on the platform. Users may use their cake day as an opportunity to reflect on their experiences on Reddit, share memorable moments, or even participate in special cake day-themed activities or discussions.

Overall, cake days are a fun and lighthearted tradition on Reddit, serving as a way for users to celebrate their time on the platform and connect with other members of the Reddit community.