January 1st because New Years Eve is December 31st.
November 11th is a Tuesday
June 21 Updated: Almost every day is 24 hrs, with exception of day light savings when clock is put forward an hour so that day is 23hrs, and when it ends, clock is put back an hour that day is 26 hrs...
JUly 1st
In 2011, Labor Day in the U.S. is Monday, September 5th. Most countries celebrate the equivalent of Labor Day, International Workers' Day, on May 1st.