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date line Definition
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date line
noun(date-line)a line in a written document or a printed publication giving the date and place of composition or issue
date line
noun(date-line)international date line
date line
noun(date-line)an arbitrary line approximately along the 180th meridian designated as the place where each calendar day begins
date line
noun(date-line)an imaginary line that runs through the Pacific Ocean from the North Pole to the South Pole and that marks the place where each day officially begins