Coordinated Universal Time UTC

Naval observatory adds one second, Chicagoans waste it talking to a reporter

26 Jan 2012

How much is a second worth? It's time to ponder that question.

Leap Second To Be Added to Clocks on June 30th

22 Jan 2012

Since 1972, 24 additional leap seconds have been added at intervals varying from six months to seven years, with the most recent being inserted on December 31, 2008. After the insertion of the leap second in June, the cumulative difference between UTC and TAI will be 35 seconds.

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

20 Jan 2012

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