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Earth and Space Sciences · 术语表

什么是 International date line?

Definition 14.7 Primary & Middle School Earth and Space Sciences · 第 14 章 — Latitude, Longitude and Time Zones

The international date line is the line, in the middle of the Pacific Ocean, where the date changes. It follows the 180∘180^\circ meridian, with a few bends so as not to cut a country in two. Crossing it towards the west, we move to the next day; crossing it towards the east, we go back to the day before.

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