The International Date Line is located on which line of longitude?

Study for the Social Studies BJC Exam. Engage with flashcards and multiple choice questions, each with hints and explanations. Prepare thoroughly for your Social Studies test!

Multiple Choice

The International Date Line is located on which line of longitude?

Explanation:
Longitudes measure east–west position from the line that runs through Greenwich, which serves as the starting reference. The International Date Line sits along the meridian opposite that reference, on the far side of the globe. That location is where the calendar date changes as you cross it—going west across the line adds a day, while going east subtracts a day. The line isn’t perfectly straight in the real world because it curves to accommodate political boundaries, but its general position is opposite the Greenwich line.

Longitudes measure east–west position from the line that runs through Greenwich, which serves as the starting reference. The International Date Line sits along the meridian opposite that reference, on the far side of the globe. That location is where the calendar date changes as you cross it—going west across the line adds a day, while going east subtracts a day. The line isn’t perfectly straight in the real world because it curves to accommodate political boundaries, but its general position is opposite the Greenwich line.

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