International Date Line definition

  • noun:
    • An imaginary line through the Pacific Ocean about corresponding to 180° longitude, towards the east that, by international agreement, the diary time is just one day sooner than into the west.
    • an imaginary line at first glance associated with planet following (more or less) the 180th meridian
  • proper-noun:
    • An imaginary line on the Earth's surface at 180° longitude, mostly through the Pacific Ocean, to the east of which the calendar date is one day earlier than to the west.

Related Sources

  • Definition for "International Date Line"
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  • Hypernym for "International Date Line"
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