It's really just a resource that doesn't generally need updating...it's remain unchanged since it's inception back in 1999 as a resource for getting the exact time according to NIST's atomic clocks. I remember going to NIST's "official time" web page every few weeks in high school in the 90s so I could tell my friends that their watches were wrong because I had the "official time" haha
https://web.archive.org/web/19991002220908/http://www.time.g...