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Leap Second

THIS WEEKEND: 'Leap Second' To Still World's Clocks

AP | SETH BORENSTEIN | Posted 06.29.2012 | Science

WASHINGTON -- Saturday night will stretch longer by a second. A leap second. International timekeepers are adding a second to the clock at midnight u...

Why Is Summer So Early (June 20)?

Frank Morgan | Posted 08.17.2012 | Science
Frank Morgan

Both years are leap years (which by inserting an extra day makes summer arrive earlier), so that doesn't explain the difference. What's going on?

The Fate Of The Leap Second

AP | JOHN HEILPRIN | Posted 03.20.2012 | Science

GENEVA (AP) — The leap second may live on for at least another three years. Once or twice a year, the leap second can be tacked on to...

LEAP SECOND: Adding A Second On For 2009

AP | RAPHAEL G. SATTER and JAMEY KEATEN | Posted 05.25.2011 | Home

AT THE GREENWICH PRIME MERIDIAN, England — Just a second, 2009. It's going to take a little longer to say goodbye to the worst economic year sin...

'Leap Second' Will Correct The Clocks On December 31st

LiveScience.com | Andrea Thompson | Posted 05.25.2011 | Style

On Dec. 31 this year, your day will be just a second longer. Like the more well-known time adjustment, the leap year, a "leap second" is tacked on to...