Interesting article about dates and lines ... on the globe
http://globalpublicsquare.blogs.cnn.com/2011/06/27/the-story-of-how-samoa-lost-a-day-and-of-australias-rise/?hpt=hp_bn2
Why Samoa will lose a day
Come with me now on a long journey to a far off island nation about
halfway between Hawaii and New Zealand - Samoa. Its lush volcanic
valleys make it a mostly agricultural nation. It has no military
whatsoever. It shouldn't be confused with its neighbor, American Samoa.
If you attempted to visit Samoa, do not plan a celebration there on
December 30th. Why? Because that day will simply not exist there. The
calendar will jump from the 29th of December to the 31st. "What in the
World?", right?
Why?
...