Concept explainers
Crossing Time Zones The international date line is an imaginary line of longitude (from the North Pole to the South Pole) on Earth’s surface between Japan and Hawaii in the Pacific Ocean Crossing the line east to west adds a day to the present date. Crossing the line west to east subtracts a day. At 3:00 P.M. on July 25 in Hawaii, what is the time and date in Tokyo, Japan, which is four time zones to the west?
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