Greenwich England
Greenwich, England all US atomic clocks sync with it
The world's official clock is kept at the International Bureau of Weights and Measures (BIPM) in Sèvres, France. It is responsible for maintaining Coordinated Universal Time (UTC), which serves as the standard time reference for the world.
Greenwich, England all US atomic clocks sync with it
Official time is kept using atomic clocks, which are extremely accurate and precise. Coordinated Universal Time (UTC) is the international standard for timekeeping and is based on atomic time. UTC is maintained by a network of atomic clocks located around the world and corrected periodically to align with the Earth's rotation.
The Congressional Record.
The national clock of a country is usually kept in a central location, such as a parliamentary building, government office, or official timekeeping institute. It is often displayed publicly for everyone to see and is used to synchronize time across the country.
registry
th congressional record
It really depends on what type of record it is. Not all official records are meant to be kept forever.
journal of each body
Most of the official records were kept on clay tablets. The official code of law was carved on black diorite stone.
they used a census (an official count of the people)