A runs through Greenwich, England
B roughly follows the 0° line of longitude
C is recognized as the location where new days begin
D divides the United States into different time zones
The answer is C. is recognized as the location where new days begin.
The International Date Line is an imaginary line if the Pacific Ocean that marks the boundary between one day and the next. When crossing the International Date Line, you subtract a day going east and add a day going west. I hope this helps!!!