The statement is “smarter”, not “possesses more information”. None of the things you listed (LLMs, libraries, Wikipedia, etc.) have any capacity to reason.

Ioniq?

Username checks out.

I think “100,000s of dollars” is cursed too. If you want to use that phrasing, just spell out “hundreds of thousands”.

I’d bet it actually simplifies as least as many things as it breaks. Basically all computers already keep track of time as a count of seconds since a UTC epoch anyway, and then do timezone conversions on top of that.