The nineteenth century home, located at 1 Observatory Circle, is on the grounds of the U.S. Naval Observatory ... the atomic clock, the most precise time scale in the world.

But where does the vice president live? The vice presidential residence is at Number One Observatory Circle at the United States Naval Observatory. The home is located up Massachusetts Avenue ...

These balls would be lowered at a precise time — usually ... on today in places like the United States Naval Observatory in Washington, DC, where a time-ball descends from a flagpole at noon ...

More than eight years ago in November 2016, then-Vice President Joe Biden met with then-Vice President-elect Mike Pence at the Naval Observatory. CNN reported at the time that Pence and Biden met ...