Skip to main content

NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

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.

News and Updates

Displaying 151 - 157 of 157

Another Leap Second is at Hand

Though your summer this year may seem all too short, it will actually be the longest one since 1994. There will be exactly one extra second, a little bonus

Upgrade To Improve Time Signal's Coverage

The Commerce Department's National Institute of Standards and Technology has announced plans to upgrade its radio station WWVB, which broadcasts standard time
Was this page helpful?