From midnight on December 29 until the New Year rings in should be 172,800 seconds unless they throw in a leap second this year. The last one was December 31, 2008, and we did not get one today, so we are about due.
PS (and unrelated to the question), the Japanese earthquake did have an affect on day length, speeding up rotation by a few microseconds. But you probably already knew that.
Verum audaces non gerunt indusia alba. - Ipsi dixit MCMLXXII