Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
NIST Delivers Accurate Time To Your Computer
This diagram shows how the Internet Time Service operated by the National Institute of Standards and Technology (NIST) provides accurate time to computers around the world.
Created March 2, 2016, Updated September 21, 2016