File:International_Date_Line.png · Wikimedia Commons · See Wikimedia Commons
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Also known as IDL, The Line of Demarcation, Demarcation Line
imaginary line that demarcates the change of one calendar day to the next
AI overview
The International Date Line is an imaginary line on Earth where the calendar date changes—when you cross it, the date shifts by one day. It matters because it helps the world stay synchronized with a single system for tracking which day it is, even though different places experience day and night at different times.
AI-generated from the Wikipedia summary — may contain errors.
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- International Date Line
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