Which ocean does most of the International Date Line pass through? I think it is the Pacific is that correct?

Right.

The International Date line has most of its length in the Pacific Ocean. The line extends from the Arctic Ocean to the Southern Ocean roughly along 180° longitude (E or W).

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Yes, you are correct. The majority of the International Date Line passes through the Pacific Ocean. To obtain this information, you can use various online resources, such as maps, atlases, or geographical databases. These sources provide visual representations of the International Date Line and its pathway across the globe. You can also consult reliable educational websites or reference materials that provide information about international boundaries and geographical features.