Answers

2014-05-18T12:05:45+05:30
It doesn't pass through a country 
for part of its length ,the international date line follow the meridian of 180* longitude down the middle of the pacific ocean to avoid crossing nation internally ,the line deviate through the far east of russia and then around various island group in the pacific
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2014-05-18T12:06:54+05:30
The International Date Line (which is imaginary) runs from the North Pole to the South Pole and is 180 degrees from the Greenwich Meridian. 
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