Time zones are as much about politics and commerce as they are about the correct time itself.
The South Pacific nation of Samoa skipped December 30, 2011, all together. Once resting just twenty miles east of the International Date Line, Samoa skipped that Friday as the line was redrawn. The switch came just in time. The firework flares and car honking that began in Samoa soon chased the New Year around the globe one hour at a time.