This is cool! I love stuff like this, it's fun to use stuff like this to see the passage of time a little more clearly.

Similar ideas:

I've been keeping notes in Roam Research for nearly 6 years now. Whenever I'm writing notes for that day, I'll go back to the same day 5, 4, 3, etc. years ago and see what I was working on.

I also recently went through the trouble of getting all of my running data into a spreadsheet. I started in 2018 and have gone through three different apps. Currently on my to-vibe-code-list: a little app that takes all of my runs from Apple Health and makes a neat dashboard showing pace, miles, routes, etc. over the years.