Now that school is back in session I have the perfect excuse for why you are late for school. The Federal Energy Regulatory Agency is trying a new experiment. They will not be making corrections to the electrical frequency on the U.S. power grid. How does this effect you? Many of the digital alarm clocks regulate themselves by the rate of the electrical currency powering them. By not making up for variations your clock may begin to run a bit fast or slow.
Read more about the U.S. power grid.
Read more about the power frequency experiment.