[Lonesome in Massachussets]

I liked the older website better:

https://www.cnmoc.usff.navy.mil/Our-Commands/United-States-Naval-Observatory/Precise-Time-Department/The-USNO-Master-Clock/Definitions-of-Systems-of-Time/

[Red Badger]

https://time.unitarium.com/utc/1845

https://time.gov/