SpaceNews

U.S. Naval Observatory to Add Leap Second to Clocks

On December 31, 2005 a “leap second” will be added to the world’s clocks at 23 hours, 59 minutes and 59 seconds Coordinated Universal Time (UTC). This corresponds to 6:59:59 pm Eastern Standard Time, ...
Dcist Daily

Ask DCist: What’s Up with the Naval Clock?

A couple of readers have written us to ask why the Master Clock at 34th Street and Massachusetts Ave NW, at the entrance of the U.S. Naval Observatory, hasn’t been working for the last few months. We ...
The Washington Post

Time, elements take their toll on Naval Observatory clock

Can you learn what happened to the clock at the entrance to the Naval Observatory on Massachusetts Avenue NW? It sat there in presumably broken condition for many weeks and then disappeared altogether ...
Northcountrypublicradio.org

Keeping Time By Rubidium At The Naval Observatory

You know when you dial a number, and a man reads you the exact time at the tone? That precise timekeeping starts at the Naval Observatory in... Keeping Time By Rubidium At The Naval Observatory LINDA ...
WESA

Keeping Time By Rubidium At The Naval Observatory

We're spending part of our summer stargazing. And this week, as part of our series looking at the heavens, we went to the U.S. Naval Observatory, which sits on high ground, overlooking most of ...