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Raghu's NetLog

This is my personal weblog. There is no particular topic that I'm going to stick with. You can find articles about music, movies, technology, cricket, may be even little bit about politics. Please post your comments - good or bad. This will only encourage me in either way and improve my weblog.

Thursday, December 30, 2004

Do we need to adjust leap second aftermath Tsunami?

Sumatran quake sped up Earth's rotation (Nature.com)
The tsunami disaster has changed the Earth's rotation rate too. According to the report, the disaster shaved millionths of a second off planet's day. According to Tom O'Brian, head of the US National Institute of Standards and Technology's Time and Frequency Division in Boulder, Colorado, which runs an atomic clock:

"I would be stunned if there was any change in the rotation rate that would necessitate addition or subtraction of a leap second."
Leap second is a second of time, as measured by an atomic clock, added to or omitted from official timekeeping systems annually to compensate for changes in the rotation of the earth.