Definition Edit

The 'international date line is

[t]he line coinciding approximately with the antimeridian of Greenwich, modified to avoid certain habitable land. In crossing this line there is a date change of one day.[1]

Overview Edit

"The time zone east of the international date line is twelve hours ahead of Greenwich mean time; the time zone west of the international date line is twelve hours behind Greenwich mean time. A traveler going west across the date line adds a day; a traveler going east across it subtracts a day."[2]

References Edit

  1. NATO Standardization Agency, NATO Glossary of Terms and Definitions 2-I-7 (2008) (full-text).
  2., GIS Glossary (full-text).

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