Your Zune and my Zune should be fine tomorrow
http://www.msnbc.msn.com/id/28449091/wid/11915829?GT1=40006
Microsoft also said that “the issue should be resolved over the next 24 hours as the time change moves to Jan. 1, 2009.”
Temporary glitch in the matrix is all.
Read the complete post at http://msmvps.com/blogs/bradley/archive/2008/12/31/your-zune-and-my-zune-should-be-fine-tomorrow.aspx