Ocean current slowdown made Earth spin faster - environment - 11 February 2012 - New Scientist | Science News | Scoop.it
From www.newscientist.com - February 11, 2012 6:53 AM

IT SOMETIMES feels as though some months go by faster than others, but November 2009 really did. Events in the Southern Ocean conspired to make the Earth spin ever-so-slightly faster, shortening half of the days in the month by 0.1 milliseconds each.